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Codes by Reinier:

P Codes
Trouble Code Fault Location Probable Cause
P000AA Camshaft Position Slow Response -
P0010 Camshaft position (CMP) actuator, intake/left/front, bank 1 circuit malfunction Wiring, CMP actuator, ECM
P0013 Camshaft position (CMP) actuator, exhaust/right/rear, bank 1 -circuit malfunction Wiring, CMP actuator, ECM
P0020 Camshaft position (CMP) ·actuator, intake/left/front, bank 2 -circuit malfunctionWiring, CMP actuator, ECM
P0023 Camshaft position (CMP) actuator, exhaust/right/rear, bank 2 -circuit malfunction Wiring, CMP actuator, ECM
P0026 Intake valve control solenoid circuit, bank 1 range/performance Wiring, intake valve control solenoid
P0027 Exhaust valve control solenoid circuit, bank 1 range/performance Wiring, exhaust valve control solenoid
P0028 Intake valve control solenoid circuit, bank 2 range/performance Wiring, intake valve control solenoid
P0029 Exhaust valve control solenoid circuit, bank 2 range/performance Wiring, exhaust valve control solenoid
P0031 Heated oxygen sensor (HO2S) 1, bank 1, heater control -circuit low Wiring short to earth, HO2S, ECM
P0032 Heated oxygen sensor (HO2S) 1, bank 1, heater control -circuit high Wiring short to positive, HO2S, ECM
P0037 Heated oxygen sensor (HO2S) 2, bank 1, heater control -circuit low Wiring short to earth, HO2S, ECM
P0038 Heated oxygen sensor (HO2S) 2, bank 1, heater control -circuit high Wiring short to positive, HO2S, ECM
P0043 Heated oxygen sensor (HO2S) 3, bank 1, heater control circuit low Wiring short to earth, 1"1025, ECM
P0044 Heated oxygen sensor (HO2S) 3, bank 1, heater control -circuit high Wiring short to positive, HO2S, ECM
P0051 Heated oxygen sensor (HO2S) 1, bank 2, heater control -circuit low Wiring short to earth, HO2S, ECM
P0052 Heated oxygen sensor (HO2S) 1, bank 2, heater control -circuit high Wiring short to positive, HO2S, ECM
P0053 Heated oxygen sensor (HO2S), bank 1, sensor 1 -heater resistance Wiring, HO2S
P0054 Heated oxygen sensor (HO2S), bank 1, sensor 2 -heater resistance Wiring, HO2S
P0055Heated oxygen sensor (HO2S), bank 1, sensor 3 -heater resistance Wiring, HO2S
P0057 Heated oxygen sensor (HO2S) 2, bank 2, heater control heater circuit low Wiring short to earth, HO2S, ECM
P0058 Heated oxygen sensor (HO2S) 2, bank 2, heater control circuit high Wiring short to positive, HO2S, ECM
P0059 Heated oxygen sensor (HO2S), bank 2, sensor 1 -heater resistance Wiring, HO2S
P0060 Heated oxygen sensor (HO2S), bank 2, sensor 2 -heater resistance Wiring, HO2S
P0061 Heated oxygen sensor (HO2S), bank 2, sensor 3 -heater resistance Wiring, HO2S
P0063 Heated oxygen sensor (HO2S) 3, bank 2, heater control circuit low Wiring short to earth, HO2S, ECM
P0064 Heated oxygen sensor (HO2S) 3, bank 2, heater control circuit high Wiring short to positive, HO2S, ECM
P0088Fuel rail/system pressure too highFuel pump, fuel pressure regulator, fuel supply pipe blockage, mechanical fault
P0094 Fuel system leak -small leak detected Wiring, fuel pressure sensor, mechanical fault
P00AAIntake Air Temperature Sensor 1 Circuit -
P00AFTurbocharger/Supercharger Boost Control "A" Module Performance -
P0105 Manifold absolute pressure (MAP) sensor barometric pressure (BARO) sensor -circuit malfunction Wiring, MAP sensor, BARO sensor, ECM
P0106 Manifold absolute pressure (MAF) sensor barometric pressure (BARO) sensor -range/performance problem Intake/exhaust leak, wiring, MAP sensor, BARO sensor
P0107 Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor -low inputWiring short to earth, MAP sensor, BARO sensor, ECM
P0108 Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor -high input Wiring short to positive, MAP sensor, BARO sensor, ECM
P0109 Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor -circuit intermittentWiring, poor connection, MAP sensor, BARO sensor, ECM
P0115 Engine coolant temperature -(ECT) sensor circuit malfunction Wiring, ECT sensor, ECM
P0126 Insufficient coolant temperature for stable operation Wiring, cooling system, coolant thermostat, ECT sensor
P0127 Intake air temperature too high Wiring short to earth, IAT sensor 2, mechanical fault, ECM
P0133 Heated oxygen sensor (HO2S) 1, bank 1 -slow response Heating inoperative, wiring, H025
P0134 Heated oxygen sensor (HO2S) 1, bank 1 -no activity detected Wiring open circuit, heating inoperative, H025
P0136 Heated oxygen sensor (HO2S) 2, bank 1 circuit malfunction Heating inoperative, wiring, H025, ECM
P0139 Heated oxygen sensor (HO2S) 2, bank 1 -slow responseHeating inoperative, wiring, H028
P0140 Heated oxygen sensor (HO2S) 2, bank 1 no activity detectedWiring, heating inoperative, H028, ECM
P0142 Heated oxygen sensor (HO2S) 3, bank. 1 -circuit malfunction Wiring, H025, ECM
P0145 Heated oxygen sensor (HO2S) 3, bank 1 -slow response Heating inoperative, wiring, H028
P0146 Heated oxygen sensor (HO2S) 3, bank 1 -no activity detected Wiring, H028, ECM
P0153 Heated oxygen sensor (HO2S) 1, bank 2 -slow response Heating inoperative, wiring, H028
P0154 Heated oxygen sensor (H025) 1, bank 2 no activity detected Wiring, H028, ECM
P0156 Heated oxygen sensor (H025) 2, bank 2 circuit malfunction Heating inoperative, wiring, H028, ECM
P0160 Heated oxygen sensor (H025) 2, bank 2 -no activity detected Wiring, H028, ECM
P0162 Heated oxygen sensor (HO2S) 3, bank 2 -circuit malfunction Wiring, HO2S, ECM
P0165 Heated oxygen sensor (HO2S) 3, bank 2 -slow response Heating inoperative, wiring, HO2S
P0166 Heated oxygen sensor (HO2S) 3, bank 2 -no activity detected Wiring, HO2S, ECM
P0168 Fuel temperature too high Wiring, fuel temperature sensor, mechanical fault
P0170 Fuel trim (FT), bank 1 -malfunction Intake leak, AIR system, fuel pressure/pump, injector(s), EVAP canister purge valve, HO2S
P0171System too lean, bank 1Intake/exhaust leak, AIR system, MAFNAF sensor, fuel pressure/pump, injector(s), HO2S
P0173 Fuel trim (FT), bank 2 -malfunction Intake leak, AIR system, fuel pressure/pump, injector(s), EVAP canister purge valve, HO2S
P018AFuel Pressure Sensor "B" CircuitFuel pressure sensor, Wiring, PCM failure
P018BFuel Pressure Sensor "B" Circuit Range/PerformanceFuel pressure sensor, Wiring, PCM failure
P018CFuel Pressure Sensor "B" Circuit LowFuel pressure sensor, Wiring, PCM failure
P018DFuel Pressure Sensor "B" Circuit HighFuel pressure sensor, Wiring, PCM failure
P018EFuel Pressure Sensor "B" Circuit Intermittent/ErraticFuel pressure sensor, Wiring, PCM failure
P0220 Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -circuit malfunction Wiring, TP/APP sensor, ECM
P0221 Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -range/performance problem Accelerator cable adjustment, TP/APP sensor
P0222 Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -low input Wiring short to earth, TP/APP sensor, ECM
P0223 Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -high input Wiring short to positive, TP/APP sensor, ECM
P0224 Throttle position (TP) switch B/accelerator pedal position (APP) sensor B -circuit intermittent Wiring, poor connection, TP/APP sensor, ECM - - -
P0225 Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -circuit malfunction Wiring, TP/APP sensor, ECM
P0226 Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -range/performance problem Accelerator cable adjustment, TP/APP sensor
P0227 Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -low input Wiring short to earth, TP/APP sensor, ECM
P0228 Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -high input Wiring short to positive, TP/APP sensor, ECM
P0229 Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -circuit intermittent Wiring, poor connection, TP/APP sensor, ECM
P0234 Engine boost condition -limit exceeded Hose connection(s), wiring, TC wastegate regulating valve, TC wastegate
P0235 Manifold absolute pressure (MAP) sensor A, TC system circuit malfunctionWiring, MAP sensor, ECM
P0237 Manifold absolute pressure (MAP) sensor A, TC system low input Wiring short to earth, MAP sensor, ECM
P0238 Manifold absolute pressure (MAP) sensor A, TC system high input Wiring short to positive, MAP sensor, ECM
P0243 Turbocharger (TC) wastegate regulating valve A circuit malfunction Wiring, TC wastegate regulating valve, ECM
P0244 Turbocharger (TC) wastegate regulating valve A range/performance problem TC wastegate regulating valve
P0251 Injection pump A, rotor/cam -circuit malfunction Wiring, injection pump, ECM
P0253 Injection pump A, rotor/cam -circuit low Wiring short to earth, injection pump, ECM
P0255 Injection pump A, rotor/cam -circuit intermittent Wiring, poor connection, injection pump, ECM
P0256 Injection pump 8, rotor/cam -circuit malfunction Wiring, injection pump, ECM
P0258 Injection pump B, rotor/cam -circuit low Wiring short to earth, injection pump, ECM
P02E9Diesel Intake Air Flow Position Sensor Circuit HighWiring, IAF Position Sensor, PCM
P0300Random/multiple cylinder(s) -misfire detectedSpark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring
P0313 Misfire detected -low fuel level Fuel system, mechanical fault
P0314 Single cylinder misfire -cylinder not specified Engine mechanical fault, wiring, ignition/fuel system, injector
P0315 Crankshaft position system -variation not learned Engine mechanical fault, wiring
P0316 Misfire detected during start -up -first 1000 revolutions Engine mechanical fault, wiring, ignition/fuel system, injector
P0321 Crankshaft position (CKP) sensor/engine speed (RPM) sensor range/performance problem Air gap, metal particle contamination, insecure sensor/rotor, wiring, CKP/RPM sensor
P0363 Misfire detected -fueling disabled Fuel system, mechanical fault
P0370 Timing reference, high resolution signal A -malfunction Wiring, CKP/RPM/CMP sensor, ECM
P0371 Timing reference, high resolution signal A -too many pulses Wiring, CKP/RPM/CMP sensor, ECM
P0379 Timing reference, high resolution signal B -no pulses Wiring, CKP/RPM/CMP sensor, ECM
P0380 Glow plugs, circuit A -malfunction Wiring, glow plug relay, fuse, glow plugs, ECM
P0381 Glow plug warning lamp -circuit malfunction Wiring, glow plug warning lamp, ECM
P0400Exhaust gas recirculation (EGR) system -flow malfunction Hose leak/blockage, basic setting not carried out (if applicable), wiring, EGR valve, EGR solenoid, ECM
P0401 Exhaust gas recirculation (EGR) system -insufficient flow detected Hose leak/blockage, basic setting not carried out (if applicable), wiring, EGR valve, EGR solenoid, ECM
P0407 Exhaust gas recirculation (EGR) valve position sensor B low input Wiring short to earth, EGR valve position sensor, ECM
P0409 Exhaust gas recirculation (EGR) sensor A circuit malfunction Wiring, poor connection, EGR sensor, ECM
P0410 Secondary air injection (AIR) system -malfunction Wiring, AIR valve, AIR solenoid, ECM
P0418 Secondary air injection (AIR) pump relay A -circuit malfunction Wiring, AIR pump relay, ECM
P0420Catalytic converter system, bank 1 -efficiency below thresholdCatalytic converter, wiring, HO2S 2
P0432 Main catalytic converter, bank 2 -efficiency below threshold Catalytic converter, wiring, HO2S 2
P0441 Evaporative emission (EVAP) system -incorrect flow detected Hose connection(s), intake leak, EVAP canister purge valve
P0443 Evaporative emission (EVAP) canister purge valve circuit malfunction Wiring, EVAP canister purge valve, ECM
P0444 Evaporative emission (EVAP) canister purge valve open circuit Wiring open circuit, EVAP canister purge valve, ECM
P0445 Evaporative emission (EVAP) canister purge valve -short circuit Wiring short circuit, EVAP canister purge valve, ECM
P0449 Evaporative emission (EVAP) system, vent valve circuit malfunction Wiring, EVAP canister purge valve, ECM
P0458 Evaporative emission (EVAP) system, EVAP valve -circuit low Wiring short to earth, EVAP valve
P0460 Fuel tank level sensor -circuit malfunction Wiring, fuel tank level sensor, ECM
P0461 Fuel tank level sensor range/performance problem Wiring, fuel tank level sensor
P0462 Fuel tank level sensor -low input Wiring short to earth, fuel tank level sensor, ECM
P0463 Fuel tank level sensor -high input Wiring short to positive, fuel tank level sensor, ECM
P0464 Fuel tank level sensor -circuit intermittent Wiring, poor connection, fuel tank level sensor, ECM
P0470 Exhaust gas pressure sensor -circuit malfunction Wiring, exhaust gas pressure sensor, ECM
P0471 Exhaust gas pressure sensor -range/performance problem Exhaust gas pressure sensor
P0481 Engine coolant blower motor 2 -circuit malfunction Wiring, engine coolant blower motor, ECM
P0489 Exhaust gas recirculation (EGA) system -circuit low Wiring short to earth, EGA valve
P0490 Exhaust gas recirculation (EGA) system -circuit high Wiring short to positive, EGA valve
P0491 Secondary air injection (AIR) system, bank 1 malfunction Wiring, AIR solenoid, hose connections, mechanical fault
P0494 Engine coolant blower motor speed -low Wiring, relay, blower motor, mechanical fault
P0497 Evaporative emission (EVAP) system -low purge flow Wiring, EVAP valve, hoses blocked, mechanical fault
P0499 Evaporative emission (EVAP) system, vent control -circuit high Wiring short to positive, EVAP valve
P0502 Vehicle speed sensor (VSS) -low input Wiring short to earth, VSS, ECM
P0503 Vehicle speed sensor (VSS) -intermittent/erratic/high input Wiring, poor connection, other connected system, instrument panel, VSS
P0504 Brake switch -A/B correlation Wiring, mechanical fault
P0505Idle speed control (ISC) system -malfunction Wiring, ISC actuator/IAC valve, throttle motor, throttle valve tight/sticking, ECM
P050ACold Start Idle Air Control System PerformanceCarbon build-up, defective idle air control valve, broken ducting, dirty air filter, air leaks , MAF or IAT or Engine coolant sensor, Ignition system component failure
P0513 Incorrect immobilizer key Immobilizer system
P0520 Engine oil pressure sensor/switch -circuit malfunction Wiring, engine oil pressure sensor/switch, ECM
P0522 Engine oil pressure sensor/switch -low voltage Wiring short to earth, engine oil pressure sensor/switch, ECM
P0523 Engine oil pressure sensor/switch -high voltage Wiring short to positive, engine oil pressure sensor/ switch, ECM
P0530 AC refrigerant pressure sensor -circuit malfunction Wiring, AC refrigerant pressure sensor, ECM
P0540 Intake air heater A -circuit malfunction Wiring, relay, intake air heater
P0541 Intake air heater A -circuit low Wiring short to earth, intake air heater
P0542 Intake air heater A -circuit high Wiring short to positive, intake air heater
P0543 Intake air heater A -circuit open Wiring, intake air heater
P0550 Power steering pressure (PSP) sensor/switch circuit malfunction Wiring, PSP sensor/switch, ECM
P0560 System voltage malfunction Wiring, poor connection, battery, alternator
P0563 System voltage -high Alternator
P0571 Cruise/brake switch A -circuit malfunction Wiring, cruise/brake switch, ECM
P0581 Cruise control system, multi -function switch input A circuit high Wiring short to positive, multi -function switch, mechanical fault
P0597 Thermostat heater control system -circuit open Wiring, relay, thermostat heater
P0598 Thermostat heater control system -circuit low Wiring short to earth, relay, thermostat heater
P0601 Engine control module (ECM) -memory check sum error ECM
P0613 Transmission control module (TCM) -processor error TCM
P0614 Engine control module (ECM)/transmission control module (TCM) -mismatch ECM!TCM
P0615 Starter motor relay -circuit malfunction Wiring, poor connection, starter motor relay, ECM
P0618 Alternative fuel control module -KAM error Alternative fuel control module
P0620 Alternator, control -circuit malfunction Wiring, alternator, battery, ECM
P0622 Alternator, field control -circuit malfunction Wiring, alternator, battery, ECM
P0625 Generator field terminal -circuit low Wiring short to earth, generator
P0626 Generator field terminal -circuit high Wiring short to positive, generator
P0627 Fuel pump control -circuit open Wiring, relay, fuel pump
P0628 Fuel pump control -circuit low Wiring short to earth, relay, fuel pump
P0629 Fuel pump control -circuit high Wiring short to positive, relay, fuel pump
P062DFuel Injector Driver Circuit PerformanceWiring, Defective fuel injector / injector circuit or software, PCM
P062FInternal Control Module EEPROM ErrorWiring, incorrect / incompatible software, low or spiking system voltage
P0638 Throttle actuator control, bank 1 -range/performance problem Basic setting not carried out (if applicable), ISC actuator/throttle motor, APP sensor
P0639 Throttle actuator control, bank 2 -range/performance Wiring, throttle control unit
P0641 Sensor reference voltage A -circuit open Wiring short to positive
P0650 Malfunction indicator lamp (MIL) -circuit malfunction Wiring, MIL, ECM
P0651 Sensor reference voltage B -circuit open Wiring short to positive
P0657 Actuator supply voltage -circuit open Wiring
P0661 Intake manifold air control solenoid, bank 1 -circuit low Wiring short to earth, intake manifold air control solenoid
P0670 Glow plug control module -circuit malfunction Wiring, poor connection, glow plug control module, glow plug, ECM
P0671 Glow plug, cylinder 1 -circuit malfunction Wiring, poor connection, relay, glow plug control module, glow plug, ECM
P0672 Glow plug, cylinder 2 -circuit malfunction Wiring, poor connection, relay, glow plug control module, glow plug, ECM
P0673 Glow plug, cylinder 3 -circuit malfunction Wiring, poor connection, relay, glow plug control module, glow plug, ECM
P0674 Glow plug, cylinder 4 -circuit malfunction Wiring, poor connection, relay, glow plug control module, glow plug, ECM
P0675 Glow plug, cylinder 5 -circuit malfunction Wiring, poor connection, relay, glow plug control module, glow plug, ECM
P0683 Glow plug control module/ECM/PCM communication -malfunctionWiring, poor connection, glow plug control module, ECM/PCM
P0685 ECM/PCM power relay -circuit open Wiring, ECM/PCM power relay
P069EFuel Pump Control Module Requested MIL Illumination -
P0707 Transmission range (TR) sensor/switch -low input Wiring short to earth, TR sensor/switch, ECM/PCM!TCM
P0708 Transmission range (TR) sensor/switch -high input Wiring short to positive, TR sensor/switch, ECM/PCM!TCM
P0719 Torque converter/brake switch B -circuit low Wiring short to earth, torque converter/brake switch, ECM/PCM!TCM
P0721 Output shaft speed (OSS) sensor -range/performance problem Wiring, VSS
P0722 Output shaft speed (OSS) sensor -no signal Wiring, VSS, ECM/PCM!TCM
P0724 Torque converter/brake switch B -circuit high Wiring short to positive, torque converter/brake switch, ECM/PCM!TCM
P0736 Reverse -incorrect ratio Wiring, TR sensor/switch, shift solenoids, transmission mechanical fault
P0741 Torque converter clutch (TCC) solenoid -performance/stuck offWiring, TCC solenoid stuck off
P0742 Torque converter clutch (TCC) solenoid -stuck on Wiring, TCC solenoid
P0743 Torque converter clutch (TCC) solenoid -electrical Wiring, TCC solenoid, ECM/PCM!TCM
P0744 Torque converter clutch (TCC) solenoid -circuit intermittent Wiring, poor connection, TCC solenoid, ECM/PCM!TCM
P0746 Transmission fluid pressure (TFP) solenoid -performance or stuck off Wiring, TFP solenoid
P0748Transmission fluid pressure (TFP) solenoid -electrical Wiring, TFP solenoid, ECM/PCM!TCM
P0751 Shift solenoid (SS) A -performance or stuck off Wiring, shift solenoid
P0755 Shift solenoid (SS) B -circuit malfunction Wiring, shift solenoid, ECM/PCM!TCM
P0765 Shift solenoid (SS) D -circuit malfunction Wiring, shift solenoid, ECM/PCM!TCM
P0770 Shift solenoid (SS) E -circuit malfunction Wiring, shift solenoid, ECM/PCM!TCM
P0776 Pressure control solenoid B -performance or stuck off Wiring, pressure control solenoid
P0778 Pressure control solenoid B -electrical malfunction Wiring, pressure control solenoid
P0781 Gear selection, 1 -2 -shift malfunction Wiring, TR sensor, shift solenoids, transmission mechanical fault
P0782 Gear selection, 2 -3 -shift malfunction Wiring, TR sensor, shift solenoids, transmission mechanical fault
P0783 Gear selection, 3 -4 -shift malfunction Wiring, TR sensor, shift solenoids, transmission mechanical fault
P0784 Gear selection, 4 -5 -shift malfunction Wiring, TR sensor, shift solenoids, transmission mechanical fault
P0792 Intermediate shaft speed sensor -range/performance problem Wiring, poor connection, intermediate shaft speed sensor, ECM/PCM!TCM
P0796 Transmission fluid pressure (TFP) solenoid C performance or stuck off Wiring, poor connection, TFP solenoid, ECM/PCM!TCM
P0805 Clutch position sensor -circuit malfunction Wiring, poor connection, clutch position sensor, ECM/PCM!TCM
P0810 Clutch position control error Wiring, poor connection, ECM/PCM!TCM
P0826 Up/down shift switch -input circuit Wiring, up/down shift switch
P0830 Clutch pedal position (CPP) switch A -circuit malfunction Wiring, poor connection, CPP switch, ECM/PCM!TCM
P0837 Four wheel drive switch range/performance problem Wiring, poor connection, four wheel drive switch, ECM/PCM/TCM
P0856 Traction control input signal -malfunction Wiring, poor connection, ECM/PCM/TCM
P0863 Transmission control module (TCM) communication Wiring, poor connection, TCM -circuit malfunction
P0868 Transmission fluid pressure (TFP) sensor -low Wiring, short to earth, TFP sensor, ECM/PCM/TCM
P0869Transmission fluid pressure (TFP) sensor -highWiring, short to positive, TFP sensor, ECM/PCM/TCM
P0870 Transmission fluid pressure (TFP) sensor C -circuit malfunction Wiring, poor connection, TFP sensor, ECM/PCM/TCM
P0887 Transmission control module (TCM) power relay control circuit high Wiring, short to positive, TCM power relay, TCM
P0890 Transmission control module (TCM) power relay sense circuit low Wiring, short to earth, TCM power relay, TCM
P0891 Transmission control module (TCM) power relay sense circuit high Wiring, short to positive, TCM power relay, TCM
P0894 Transmission component slipping Mechanical fault
P0900 Clutch actuator -circuit open Wiring, clutch actuator, ECM/PCM/TCM
P0901 Clutch actuator -circuit range/performance Wiring, poor connection, clutch actuator, ECM/PCM/TCM
P0902 Clutch actuator -circuit low Wiring, short to earth, clutch actuator, ECM/PCM/TCM
P0903 Clutch actuator -circuit high Wiring, short to positive, clutch actuator, ECM/PCM/TCM
P0908 Transmission gate select position circuit -intermittent circuit malfunction Wiring, poor connection, ECM/PCM/TCM
P0909 Transmission gate select control error Mechanical fault
P0996 Transmission fluid pressure (TFP) sensor F circuit intermittent Wiring, poor connection, TFP sensor, ECM/PCM/TCM
P0A5BGenerator Current Sensor Circuit LowDefective current sensor, Alternator, Wiring
P0A80Replace Hybrid Battery Pack -
P0A94DC/DC Converter PerformanceWiring harness or connector, Inverter / converter assembly, Hybrid vehicle transaxle assembly
P1 Codes
Trouble Code Fault Location
P1000OBDII Monitor Testing Not Complete (Ford, Jaguar, Lincoln) Secondary AIR Delivery (BMW, MB, MINI)
P1001Key On/Engine Running Not Able to Complete (Ford, Lincoln, Mercury) Ignition Key Off Timer Performance Too Fast (Chrysler, Dodge, Jeep) Evaporative Emission Canister Purge Valve Low Output (SAAB) Data Link Connector Malfunction (Mazda)
P1101HO2S11 Sensor Circuit Voltage Too Low Air Leak (AUDI, VOLKSWAGEN) Airbag Control Module Signal Received (CHRYSLER, DODGE, JEEP) Mass Air Flow Sensor Out of Self-Test Range (FORD, LINCOLN, MAZDA, MERCURY) Manifold Absolute Pressure Sensor Abnormal (HYUNDAI) Intake Air Flow System Performance (ISUZU) Vacuum Control Solenoid Valve System Traction Control System (MITSUBISHI) Neutral Position Switch Circuit High Input (SUBARU)
P1118Manifold Absolute Temperature Circuit Low Input (Ford) Mass or Volume Air Flow Circuit High Input (Bank 2) (BMW) Electronic Throttle System Motor Malfunction (Daewoo/Hyundai ) Diesel pressure control (Fiat) Engine Coolant Temp. Signal Out-Of-Range – High (GM) O2 Sensor Heater Circ.,Bank1 - Sensor2 Open (Volkswagen/Audi/Volvo)
P1121Electric Throttle Control Actuator (Infiniti, Nissan) Throttle Position (TP) Sensor Circuit Intermittent High Voltage (Buick, Cadillac, Chevrolet, GM, Pontiac, Saturn, Suzuki) Throttle Position Sensor Inconsistent with Mass Air Flow Sensor (Ford, Lincoln, Mazda, Mercury)
P1130Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1 (Toyota, Lexus) Swirl Control Valve Control Solenoid Valve (Infiniti, Nissan) Lack Of HO2S Switch - Adaptive Fuel At Limit (Ford)
P1133HO2S Insufficient Switching Sensor 1 (Acura, Buick, Cadillac, Chevrolet, GM, Honda, Isuzu, Pontiac, Saturn) AT Fuel Solenoid Malfunction (Daewoo) Oxygen sensor B1-S1 (Fiat) Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 1 Sensor 1) (Lexus) Bank 1 Fuel Control Shifted Lean (FAOSC) (Mercedes) Bank 1 Fuel Control Shifted Lean (Mercury / Oldsmobile/ Lincoln / Jaguar) O2S Circuit Low Voltage Sensor 1 (Saab) Air/Fuel Sensor Circuit Response (Bank 1 Sensor 1) (Scion) Air/Fuel Sensor Circuit Response Malfunction (Toyota) O2 Sensor Heating Circuit Bank 1 + 2 - Sensor1 Electrical Malfunction (Volkswagen /Audi / Volvo)
P1148HO2S21 System Too Rich (AUDI, VOLKSWAGEN) Fuel Rail Pressure Malfunction Pressure Drop In Over-run (CHRYSLER, DODGE, JEEP) Closed Loop Control Function Bank 1 (INFINITI, NISSAN)
P1150Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1 (Toyota, Lexus) Swirl Control Valve Control Solenoid Valve (Infiniti, Nissan) Lack Of HO2S21 Switch - Adaptive Fuel At Limit (Ford)
P1259Immobilizer to PCM Signal Error (Ford) VTEC System Malfunction (Acura, Honda) Glow Plug Module Control Over Current (Chrysler/Dodge/Jeep) Engine Coolant System Valve Short to Ground (Volkswagen/Audi/Volvo)
P1260Injector 1 Implausible Signal (AUDI, VOLKSWAGEN) Fuel Pump Speed Relay Control Circuit Conditions (BUICK, CADILLAC, CHEVROLET, GMC) Theft Detected - Vehicle Immobilized (FORD, LINCOLN, MERCURY) Glow Plug #1 Circuit (JEEP) Theft Detected - Engine Disabled (MAZDA) Throttle Return Spring Weak Spring Force (SAAB)
P1296Engine Cooling System Malfunction (AUDI, VOLKSWAGEN) 5 Volt Reference Voltage Missing At Throttle Position Sensor (CHRYSLER, DODGE) Multi-Faults Bank 2 With Low Side Shorts (FORD) No 5 Volts to MAP Sensor (MITSUBISHI)
P1299Cylinder Head Overtemperature Protection Active (Ford, Lincoln, Mazda, Mercury) Electric Throttle Control Forced Engine Shut Down Mode (Acura, Honda, Isuzu) Vacuum Leak Present IAC Fully Seated (Chrysler, Dodge)
P1300Igniter Circuit Malfunction No. 1 (Toyota, Lexus) Ignition Coil 1 Primary Feedback CIrcuit (Buick, Cadillac, Chevrolet, GM) Boost Calibration Fault (Ford) Random Misfire (Acura, Honda, Isuzu) Camshaft Sensor Inlet Gap Loss (BMW, MINI) Spark Timing Adjust Signal (Hyundai)
P1305Igniter Circuit Malfunction No.2 (Toyota, Lexus) EGR Calibration Low (Ford)
P1310Igniter Circuit Malfunction No. 3
P1315Igniter Circuit Malfunction No. 4 (Toyota, Lexus) Persistent Misfire (Ford)
P1336Crankshaft Speed Fluctuation Sensor Intermittant Interruption (ACURA, HONDA) Engine Torque Adaption At Limit (AUDI, VOLKSWAGEN) Crankshaft Position System Variation Not Learned (BUICK, CADILLAC, CHEVROLET, GMC, JAGUAR) No 5Vs To Throttle Position Sensor (DODGE) Crankshaft Position Or Camshaft Position Sensor Input Signal Error (FORD, LINCOLN, MERCURY) #6 MF Signal Line Short (HYUNDAI) Crankshaft Position Sensor (INFINITI, NISSAN) Crankshaft Position Sensor System Variation Not Learned (ISUZU) Camshaft Position Sensor Malfunction Erratic Signal (MAZDA) 58x Crank Position Tooth Error Not Learned (SUZUKI)
P1340CKP/CMP Sensor Signals Out Of Sequence (AUDI, VOLKSWAGEN) Multiple Cylinder Misfire During Start (BMW, MINI) Camshaft Position Sensor 'B' Circuit Malfunction (FORD) IFS 2 Open (HYUNDAI) ION Sensing Module Cylinder ID Fault Cylinder Syncronization Fail (ISUZU) Camshaft Position Sensor 'A' Bank 1 Sensor 2 (LEXUS, TOYOTA) Camshaft Position Sensor 'B' Circuit (MAZDA)
P1351Ignition Control Module Circuit Voltage (Buick, Cadillac, Chevrolet, GMC, Isuzu) Misfire Cylinder 5 With Fuel Cut-Off (BMW) Ignition Diagnostic Monitor Circuit Input Fault (Ford) Variable Valve Timing Sensor Range/Performance Problem Bank 2 (Lexus, Toyota)
P1389Glow Plug Circuit High Side Low Input (Ford, GM) No ASD Relay Voltage At Powertrain Control Module (Chrysler, Dodge, Jeep)
P1391Glow Plug Circuit Low Input Bank 1 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Performance (Acura) Intermittent loss of CMP or CKP (Chrysler/Dodge/Jeep/Mitsubishi) Wheel Speed Sensor 1 - G - Sensor Circuit Performance (GM) Camshaft Pos. Sensor, (Bank2) Short to Ground (Volkswagen/Audi/Volvo)
P1392Glow Plug Circuit High Input Bank 1 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Voltage Low (Acura, Buick, Cadillac, Chevrolet, GM, Honda, Isuzu, Suzuki) Camshaft Position Sensor Bank 2 Open (Audi, VW)
P1393Glow Plug Circuit Low Input Bank 2 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Voltage High (Acura, Buick, Cadillac, Chevrolet, GM, Honda, Isuzu, Suzuki) Ignition Coil Power Output Stage 1 Malfunction (Audi, VW)
P1394Glow Plug Circuit High Input Bank 2 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Voltage Intermittent High (Acura, Honda, Isuzu) Wheel Speed Sensor G-Sensor Intermittent (Buick, Cadillac, Chevrolet, GM) Ignition Coil Power Output Stage 2 Malfunction (Audi, VW)
P1399Glow Plug Circuit High Side, High Input (Ford) Random/Multiple Cylinder Misfire Detected (Acura, Honda) Wheel Speed Sensor 2 – G – Sensor Circuit Intermittent (GM) Wait-To-Start Lamp Circuit Open Or Shorted (Plymouth) Engine RPM signal, TD Short Circuit to B + (Volkswagen /Audi / Volvo)
P1401DPFE Circuit High Input (Ford, Lincoln, Mazda, Mercury) EGR Temperature Sensor (Infiniti, Nissan)
P1404Exhaust Gas Recirculation Closed Position Performance (Buick, Cadillac, Chevrolet, GM, Pontiac, Saturn) IAT - B Circuit Malfunction (Citroen/Peugeot, Ford, Mercury, Lincoln, Oldsmobile) EGR Stuck Closed (Acura, Isuzu) EGR Position Sensor Rationality Closed (Chrysler/Dodge/Jeep) Exhaust gas recirculation (EGR) valve - range / performance problem (Opel) EGR Flow Basic Setting not carried out (Volkswagen/Audi/Volvo)
P1406Exhaust Gas Recirculation Valve Position Sensor Circuit Problem (ACURA, HONDA) EGR Temperature Sensor Signal Range Performance (AUDI, VOLKSWAGEN) Heated Catalyst Internal Control Module Checksum/ROM Error (BMW) EGR Valve Pintle Position Circuit (BUICK, CADILLAC, CHEVROLET, GMC, ISUZU, PONTIAC, SATURN) Intermittent Loss Of Camshaft Position Or Crankshaft Position Sensor (DODGE) DPFE Sensor Circuit Downstream Hose (FORD, LINCOLN, MERCURY) DPFE Downstream Hose Off Or Plugged (MAZDA) Turbo Pressure Sensor Range/Performance Problem (TOYOTA)
P1441Evaporative Emission (EVAP) System Flow During Non-Purge (Buick, Cadillac, Chevrolet, Dodge, GM, Isuzu, Pontiac, Saturn)
P1443Evaporative Emission Control System Control Valve (Ford, Infiniti, Jaguar, Lincoln, Mercedes, Mercury, Saab) EGR Valve Position Sensor Too Low (Audi) EVAP System Tank Cap Missing (Hyundai)
P1450Unable To Bleed Up Fuel Tank Vacuum (Ford) Inability of Evaporative Emission Control System to Bleed Fuel Tank (Jaguar, Lincoln, Mercedes, Mercury, Oldsmobile)
P1452Unable To Bleed Up Vacuum in Tank (Ford, Mazda) Secondary Air Injection System Circuit Open (Audi, Volkswagen) Fuel Tank Pressure Sensor Low (Toyota, Lexus)
P1456Fuel Tank Temperature Sensor Circuit Malfunction (Ford) EVAP Emission Control System Leak Detected (Acura) Evaporative Emissions (EVAP) Control System Leakage (Honda) Heated Catalyst Heater Power Supply Open Circuit Bank 1 (BMW) EVAP Control System (Nissan) A/C Compressor Control (Porsche) Tank purging, leak in system (Saab) Exhaust gas temperature control limit attained Bank 1 (Volkswagen/Audi/Volvo) Catalyst Heater Diagnostic (GM)
P1457Unable To Pull Vacuum In Tank (Ford) Heated Catalyst Power Switch Temperature Sensor Electrical Bank 1 (BMW) Evaporative Emissions (EVAP) Control System Leakage (EVAP Canister System) EVAP (Honda) Purge Solenoid Control System (Mercedes) A/C Compressor Control (Porsche) Exhaust gas temperature sensor 2 open / short to B + (Volkswagen/Audi/Volvo) Catalyst Heater Diagnostic (GM)
P1494EVAP Leak Detection Pump Pressure Switch Condition (Chrysler, Dodge, Jeep)
P1568Idle Speed Control Throttle Position Mechanical Malfunction (AUDI, VOLKSWAGEN) Cruise Servo Stroke Greater Than Commanded In Cruise (BUICK, CADILLAC, CHEVROLET, GMC) Speed Control Unable To Hold Speed (FORD, LINCOLN, MAZDA, MERCURY) Battery Module Individual Voltage Input Problem (HONDA) Fuel Pressure Valve Current Hi (HYUNDAI) ICC Function Cruise Control Cault (INFINITI)
P1602Engine Control Module Supply Voltage Low From Battery (AUDI, ISUZU, SAAB, VOLKSWAGEN) Knock Sensor Module Performance Conditions (BUICK, CADILLAC, CHEVROLET, GMC) Speed Control Solenoid Circuit (DODGE) Serial Communication Problem with TCM (HYUNDAI, KIA) Engine Control Module Immobilizer Error (MAZDA)
P1610SBDS Interactive Codes
P1627EC-PCM Analog to Digital Converter Conditions (Buick, Cadillac, Chevrolet, GMC) Module Supply Voltage Out Of Range (Ford) Engine Control Module Analogue / Digital Converter (Isuzu) A/C Pressure Condenser Fan (Hyundai) ECM to ABS/TCS Communications Signal Error (Mazda)
P1641Fuel Pump Primary Circuit Failure (Ford) Cabin Heater 1 (Chrysler/Dodge/Jeep) VI MOTOR COIL 2 OPEN/SHORT (Daewoo) Malfunction Indicator Lamp (MIL) Control Circuit (GM) ACTTRQ Motor Torque Signal Circuit High Input (Honda) Fuel Pump Relay- No Voltage to fuel Pump and O2S Preheating (Saab) Quad Drive A Quick Set Detected A Fault (Saturn) DTC Memory of Air Condition ECU (Volkswagen/Audi/Volvo)
P1684Battery has been disconnected within the last 50 starts (Chrysler, Dodge, Jeep, and Plymouth) Metering Oil Pump Position Sensor Circuit Malfunction (Mazda)
P1693Malfunction Indicator Lamp Short To Positive (AUDI, VOLKSWAGEN) Tachometer Circuit Conditions (BUICK, CADILLAC, CHEVROLET, GMC) Turbo Charge Control Circuit Malfunction (DODGE) Transmission Control Module MIL Request Circuit Malfunction (HYUNDAI) MIL Circuit Malfunction (KIA) OCV for VVTL Close Malfunction (LEXUS, TOYOTA)
P1701Reverse Engagement Error (Ford) Electronic Throttle Control System MIL Request (Chrysler/Dodge/Jeep) Throttle Position Sensor Circuit (Daewoo) Trans. MIL Request Circuit (GM) Throttle Position Sensor (Hyundai) Transfer Box Line Fault (Land Rover) Cruise Control Set Signal Circuit Malfunction A/T (Subaru) Transmission Control Module Power Supply (Infiniti / Infiniti)
P1800Transmission Clutch Interlock Safety Switch Circuit Failure (Ford) ECM to TCM - Engine Coolant Signal (General Motors) Intake manifold air control solenoid - circuit malfunction (Infiniti) VIAS (Variable Intake Air System) Control Solenoid Valve (Nissan) Automatic Transmission Operation Circuit Malfunction (Toyota) Engine torque signal – malfunction (Kia)
P1870Transmission Component Slipping (Acura, Buick, Cadillac, Chevrolet, General Motors, Isuzu) SOL/EDS PWR SPL GND SHT/OPEN (Daewoo) Problem in CVT Speed Change Control Valve Assembly Circuit (Honda)
P1901Engine Coolant Blower Motor Run-On Relay Short To Positive (AUDI, VOLKSWAGEN) Turbine Shaft Speed Sensor Circuit Intermittent (FORD, LINCOLN, MERCURY) Turbine Shaft Speed Sensor Intermittent (MAZDA) CAN Data Bus Multifunction Control Module 1 (SAAB)
P1955Glow Plug Control Module 2 to PCM Comm. Circuit Range/Performance (Mercedes, Sprinter)
P1999Load limit is active (Mercedes-Benz) Cylinder deactivation malfunction (Volvo S-series) Engine management issues (Volvo XC-series) Friction too High, Exhaust Cam Adjustment Bank 2 (VW VAG-COM)
P2 Codes
Trouble Code Fault Location Probable Cause
P2006Intake manifold air control actuator / solenoid, bank 1 - actuator / solenoid stuck closedWiring, intake manifold air control actuator / solenoid, mechanical fault
P2007Intake manifold air control actuator / solenoid, bank 2 - actuator / solenoid stuck closedWiring, intake manifold air control actuator / solenoid, mechanical fault
P2008Intake manifold air control actuator / solenoid, bank 1 -open circuitWiring open circuit, intake manifold air control actuator / solenoid
P2009Intake manifold air control actuator / solenoid, bank 1 -circuit lowWiring short to ground, intake manifold air control actuator / solenoid
P200AIntake manifold air control actuator / solenoid, bank 1 - performance problemWiring, intake manifold air control actuator / solenoid, ECM
P200BIntake manifold air control actuator / solenoid, bank 2 - performance problemWiring, intake manifold air control actuator / solenoid, ECM
P200CDiesel particulate filter (DPF), bank 1 - over-temperature condition-
P200DDiesel particulate filter (DPF), bank 2 - over-temperature condition-
P200ECatalytic converter, bank 1 - over-temperature condition-
P200FCatalytic converter, bank 2 - over-temperature condition-
P2010Intake manifold air control actuator / solenoid, bank 1 -circuit highWiring short to positive, intake manifold air control actuator / solenoid
P2011Intake manifold air control actuator / solenoid, bank 2 - open circuitWiring open circuit, intake manifold air control actuator / solenoid
P2012Intake manifold air control actuator / solenoid, bank 2- circuit lowWiring short to ground, intake manifold air control actuator / solenoid
P2013Intake manifold air control actuator / solenoid, bank 2- circuit highWiring short to positive, intake manifold air control actuator / solenoid
P2014Intake manifold air control actuator position sensor/switch, bank 1 - circuit malfunctionWiring, intake manifold air control actuator position sensor/switch
P2016Intake manifold air control actuator position sensor/switch, bank 1 - circuit lowWiring short to ground, intake manifold air control actuator position sensor/switch
P2017Intake manifold air control actuator position sensor/switch, bank 1 - circuit highWiring short to positive, intake manifold air control actuator position sensor/switch
P2018Intake manifold air control actuator position sensor/switch, bank 1 - circuit intermittentWiring, poor connection, intake manifold air control actuator position sensor/switch
P2019Intake manifold air control actuator position sensor/switch, bank 2 - circuit malfunctionWiring, intake manifold air control actuator position sensor/switch
P201AReductant injector - circuit range/performance Bank 2 Unit 1Wiring, reductant injector, ECM
P2021Intake manifold air control actuator position sensor/switch, bank 2 - circuit lowWiring short to ground, intake manifold air control actuator position sensor/switch
P2022Intake manifold air control actuator position sensor/switch, bank 2 - circuit highWiring short to positive, intake manifold air control actuator position sensor/switch
P2023Intake manifold air control actuator position sensor/switch, bank 2 - circuit intermittentWiring, poor connection, intake manifold air control actuator position sensor/switch
P2024Evaporative emission (EVAP) fuel vapour temperature sensor - circuit malfunctionWiring, EVAP fuel vapour temperature sensor
P2025Evaporative emission (EVAP) fuel vapour temperature sensor - range/performance problemWiring, EVAP fuel vapour temperature sensor
P2026Evaporative emission (EVAP) fuel vapour temperature sensor - low voltageWiring short to ground, EVAP fuel vapour temperature sensor
P2027Evaporative emission (EVAP) fuel vapour temperature sensor - high voltageWiring short to positive, EVAP fuel vapour temperature sensor
P2028Evaporative emission (EVAP).fuel vapour temperature sensor - circuit intermittentWiring, poor connection, EVAP fuel vapour temperature sensor
P2029Auxiliary heater (fuel fired) - system disabledAuxiliary heater system
P202AReductant tank heater control - open circuitWiring, reductant tank heater, ECM
P202EReductant injector - circuit range/performance bank 1 unit 1Wiring, reductant injector, ECM
P2030Auxiliary he·ater (fuel fired) - performance problemAuxiliary heater system
P2031Exhaust gas temperature (EGT) sensor 2, bank 1 - circuit malfunctionWiring, EGT sensor
P2032Exhaust gas temperature (EGT) sensor 2, bank 1 - circuit lowWiring short to ground, EGT sensor
P2033Exhaust gas temperature (EGT) sensor 2, bank 1 - circuit highWiring short to positive, EGT sensor
P2034Exhaust gas temperature (EGT) sensor 2, bank 2 - circuit malfunctionWiring, EGT sensor
P2035Exhaust gas temperature (EGT) sensor 2, bank 2 - circuit lowWiring short to ground, EGT sensor
P2036Exhaust gas temperature (EGT) sensor 2, bank 2 - circuit highWiring short to positive, EGT sensor
P2037Reductant injection air pressure sensor- circuit malfunctionWiring, reductant injection air pressure sensor
P2038Reductant injection air pressure sensor- range/performance problemWiring, reductant injection air pressure sensor
P2088Camshaft position (CMP) actuator A, bank 1 - circuit lowWiring short to ground, CMP actuator
P2097Post catalytic converter fuel trim (FT), bank 1 - too richCatalytic converter
P2099Post catalytic converter fuel trim (FT), bank 2 -too richCatalytic converter
P20EESCR NOx Catalyst Efficiency Below Threshold Bank 1-
P2100Throttle actuator control (TAC) motor - open circuitWiring, TAC motor
P2105Throttle actuator control (TAC) system - forced engine shut down modeWiring, TAC motor, APP sensor, ECM
P2106Throttle actuator control (TAC) system - forced limited power modeWiring, TAC motor, APP sensor, ECM
P2108Throttle actuator control (TAC) module - performance problemTAC control module
P2109Accelerator pedal position (APP) / Throttle position (TP) sensor A - minimum stop performanceAPP sensor / TP sensor, throttle valve tight/sticking
P2118Throttle actuator control (TAC), throttle motor current - range/performance problemWiring, throttle motor
P2119Throttle actuator control (TAC), throttle valve - range/performance problemThrottle valve tight/sticking, throttle motor
P2120Accelerator pedal position (APP) / Throttle position (TP) sensor/ switch D - circuit malfunction / Heated oxygen sensor (H02S) 1, bank 1 - implausible signalWiring, APP / TP sensor/switch / Wiring, short to positive, short to ground, H02S, ECM
P2121Accelerator pedal position (APP) / Throttle position (TP) sensor/switch D - range/performance problemWiring, APP / TP sensor/switch
P2122Accelerator pedal position (APP) / Throttle position (TP) sensor/switch D - low inputWiring short to ground, APP / TP sensor/switch
P2123Accelerator pedal position (APP) / Throttle position (TP) sensor/switch D - high inputWiring short to positive, APP / TP sensor/switch
P2127Accelerator pedal position (APP) / Throttle position (TP) sensor/switch E - low inputWiring short to ground, APP / TP sensor/switch
P2177System too lean off idle, bank 1Fuel pressure, injectors, intake leak
P2186Engine coolant temperature (ECT) sensor 2 - circuit intermittent/erraticWiring, poor connection, ECT sensor
P2187System too lean at idle, bank 1Fuel pressure, injectors, intake leak
P2188System too rich at idle, bank 1 Fuel pressure, injectors, air intake restricted
P2189System too lean at idle, bank 2Fuel pressure, injectors, intake leak
P2196Heated oxygen sensor (H02S) 1, bank 1 - signal stuck rich H02S, fuel pressure, injectors, air intake restricted
P2198Heated oxygen sensor (H02S) 1, bank 2 - signal stuck richH02S, fuel pressure, injectors, air intake restricted
P2199Intake air temperature (IAT) sensor 1/2- correlationWiring, IAT sensor
P2213Nitrogen oxides (NOx) sensor, bank 2 - circuit malfunctionWiring, NOx sensor
P2227Barometric pressure (BARO) sensor- range/performance problemWiring, BARO sensor, ECM
P2240Heated oxygen sensor (H028) 1, bank 2, positive current control - open circuit / - no signalWiring, H025 / Wiring, H025, ECM
P2255Heated oxygen sensor (H02S) 1, bank 2, negative current control - circuit lowWiring short to ground, H025
P2263Turbocharger (TC) boost pressure/supercharger (8C) boost pressure - performance problemMechanical fault
P2279Intake air leakMechanical fault
P2421Evaporative emission (EVAP) vent valve - valve stuck openEVAP vent valve
P2422Evaporative emission (EVAP) vent valve - valve stuck closedEVAP vent valve
P2441Secondary air injection (AIR) switching valve, bank 1 - valve stuck closedAIR switching valve
P2453Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance
P2454Diesel Particulate Filter Pressure Sensor "A" Circuit Low
P2458Diesel Particulate Filter Regeneration Duration-
P2459Diesel Particulate Filter Regeneration Frequency
P2463Diesel Particulate Filter Restriction - Soot AccumulationWiring, DPF pressure sensor, Pressure hoses, Wiring, Clogged DPF, SCR system malfunction, High or low exhaust temperature, Defective EGR valve / circuit, Low fuel, PCM failure
P2509Engine control module (ECM) - supply voltage, intermittentWiring, fuses, engine control (EC) relay
P2539Fuel low pressure sensor - circuit malfunctionWiring, fuel low pressure sensor
P2544Torque management request, input signal A - malfunction ·Wiring, ECM, TCM
P2563Turbocharger (TC) boost control position sensor- range/performance problemWiring, TC boost control position sensor
P2610Engine control module (ECM) - internal engine off timer performanceECM
P2626Heated oxygen sensor (H02S) 1, bank 1, pumping current trim - open circuit / - no signalWiring, H025, ECM
P2656Rocker arm actuator A, bank 2 - performance problem or actuator stuck offRocker arm actuator
P2A00Heated oxygen sensor (H02S) 1, bank 1 - range/performance problemIntake/exhaust leak, fuel pressure, wiring, H025
P2BACNOx Exceedence - Deactivation of EGR -
U Codes
Trouble Code Fault Location
U0121Data bus: anti-lock brake system (ABS) control module - no communication
U0123Data bus: yaw rate sensor module - no communication
U0124Data bus: lateral acceleration sensor module - no communication
U0140Data bus: body control module (8CM)- no communication
U0155Data bus: instrumentation control module - no communication
U0401Invalid data received - engine control module (ECM)
U0402Invalid data received - transmission control module (TCM)
U0415Invalid data received - anti-lock brake system (ABS) control module
U1262SCP (J1850) Communication Bus Fault
U1417Implausible Left Wheel Distance Signal (Dodge, Chrysler, Jeep)
U1900CAN Communication Bus Fault
B Codes
Trouble Code Fault Location
B1039
B1302Accessory Delay Relay Coil Circuit Failure
B1318Battery Voltage Low
B1342ECU Is Defective
B1352Ignition Key-In Circuit Failure
B1457Wiper Washer Fluid Lamp Circuit Short To Ground
B2107Front Wiper Motor Relay Circuit Short to Vbatt
B2325Mirror Driver Vertical Feedback Potentiometer Circuit Open
B2326Mirror Driver Vertical Feedback Potentiometer Circuit Short to Battery
B2327Mirror Driver Vertical Feedback Potentiometer Circuit Short to Ground
B2799Toyota: Engine Immobiliser System Malfunction GM: Suspension control select switch circuit open
B2AAAScanner Communication Incompatibility
C Codes
Trouble Code Fault Location
C0031Left Front Wheel Speed Sensor (Subfault)
C1402Malfunction in Front Speed Sensor LH Circuit (Most Manufacturers) Traction Control Valve RF Circuit Short To Ground
C1446Brake Switch Circuit Failure
C1555Scanner Communication Incompatibility