About: Stephen Darby

Stephen Darby
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ASE Master Tech

Codes by Stephen Darby:

P Codes
Trouble CodeFault LocationProbable Cause
P0045 Turbo/super charger boost control solenoid -circuit openWiring, boost control solenoid
P0046 Turbo/super charger boost control solenoid circuit range/performanceWiring, boost control solenoid, mechanical fault
P0047 Turbo/super charger boost control solenoid -circuit lowWiring short to earth, boost control solenoid
P0048 Turbo/super charger boost control solenoid -circuit highWiring short to positive, boost control solenoid
P007DCharge Air Cooler Temperature Sensor Circuit High -
P0129 Barometric pressure too lowWiring, BARO sensor, mechanical fault
P0130 Heated oxygen sensor (HO2S) 1, bank 1 -circuit malfunctionHeating inoperative, poor connection, wiring, H025
P0150 Heated oxygen sensor (HO2S) 1, bank 2 -circuit malfunctionWiring, H028, ECM
P015BO2 Sensor Delayed Response – Lean to RichDefective O2 sensor(s), Wiring, Defective catalytic converter, Engine exhaust leaks
P0299 Turbo/super charger -low boostMechanical fault
P0336 Crankshaft position (CKP) sensor -range/performance problemInsecure sensor/rotor, air gap, wiring, CKP sensor
P0365 Camshaft position (CMP) sensor B, bank 1 circuit malfunctionWiring, poor connection, CMP sensor, ECM
P0366 Camshaft position (CMP) sensor B, bank 1 circuit range/performanceWiring, poor connection, CMP sensor
P0367 Camshaft position (CMP) sensor B, bank 1 circuit low inputWiring short to earth, CMP sensor, ECM
P0368 Camshaft position (CMP) sensor B, bank 1 circuit high inputWiring short to positive, CMP sensor, ECM
P0369 Camshaft position (CMP) sensor B, bank 1 circuit intermittentWiring, poor connection, ECM
P0386 Crankshaft position (CKP) sensor B -range/performance problemInsecure sensor/rotor, air gap, wiring, CKP sensor
P0390 Camshaft position (CMP) sensor B, bank 2 circuit malfunctionWiring, poor connection, CMP sensor, ECM
P0391 Camshaft position (CMP) sensor B, bank 2 circuit range/performanceWiring, poor connection, CMP sensor
P0392 Camshaft position (CMP) sensor B, bank 2 circuit low inputWiring short to earth, CMP sensor, ECM -
P0393 Camshaft position (CMP) sensor B, bank 2 circuit high inputWiring short to positive, CMP sensor, ECM - - - -·
P0394Camshaft position (CMP) sensor B, bank 2circuit intermittentWiring, poor connection, ECM
P0421 Warm up catalytic converter, bank 1 -efficiency below thresholdCatalytic converter, wiring, HO2S 2
P042FExhaust Gas Recirculation "A" Control Stuck Closed -
P0431 Warm up catalytic converter, bank 2 -efficiency below thresholdCatalytic converter, wiring, HO2S 2
P0456 Evaporative emission (EVAP) system -very small leak detectedMechanical fault, hose connection(s), EVAP pressure sensor
P0457 Evaporative emission (EVAP) system -leak detected (filler cap loose/off)Mechanical fault, hose connection(s), EVAP pressure sensor
P0488 Exhaust gas recirculation (EGR) system, throttle position control -range/performanceWiring, poor connection, ECM
P0599 Thermostat heater control system -circuit highWiring short to positive, relay, thermostat heater
P0606 Engine control module (ECM)/powertrain control module (PCM) -processor faultECM/PCM
P0658 Actuator supply voltage -circuit lowWiring short to earth, actuator
P0660 Intake manifold air control solenoid, bank 1 -circuit openWiring, intake manifold air control solenoid
P0880Transmission control module (TCM) -power input signal malfunctionWiring, poor connection, TCM
P0885 Transmission control module (TCM) power relay control circuit openWiring, poor connection, TCM power relay, TCM
P0961 Pressure control (PC) solenoid A -control circuit range/performanceWiring, poor connection, pressure control solenoid, ECM/PCM/TCM
P0965 Pressure control (PC) solenoid B -control circuit range/performanceWiring, poor connection, pressure control solenoid, ECM/PCM/TCM
P0969 Pressure control (PC) solenoid C -control circuit range/ performanceWiring, poor connection, pressure control solenoid, ECM/PCM/TCM
P1 Codes
Trouble CodeFault Location
P1298Electric Load Detector Circuit High Voltage (Honda) IDM Failure (Ford) Air/Fuel Ratio Lean Under Wide Open Throttle Condition (Chrysler, Dodge)
P1320Ignition Signal (Infiniti, Nissan) IC Module 4X Reference Circuit Intermittent No Pulses (Buick, Cadillac, Chevrolet, GMC) Igniter Circuit Malfunction No. 5 (Lexus, Toyota) Knock Sensor 2 Circuit Short to Ground (Audi, VW)
P2 Codes
Trouble CodeFault LocationProbable Cause
P2000Nitrogen oxides (NOx) trap, bank 1 - efficiency below thresholdNOx trap
P2001Nitrogen oxides (NOx) trap, bank 2 - efficiency below thresholdNOx trap
P2004Intake manifold air control actuator / solenoid, bank 1 - actuator / solenoid stuck openWiring, intake manifold air control actuator / solenoid, mechanical fault
P2005Intake manifold air control actuator / solenoid, bank 2 - actuator / solenoid stuck openWiring, intake manifold air control actuator / solenoid, mechanical fault
P2096Post catalytic converter fuel trim (FT), bank 1 -too leanCatalytic converter, exhaust leak
P2098Post catalytic converter fuel trim (FT), bank 2- too leanCatalytic converter, exhaust leak
P2138Throttle position (TP) sensor/switch D/E - voltage correlationWiring, TP sensor/switch
P214DLong term fuel trim (LTFT), bank 1 -range/performance problemCatalytic converter, exhaust leak, injector leakage, H02S
P215AVehicle speed sensor (VSS)/wheel speed - correlationWiring, VSS, wheel speed sensor, incorrect tyre size, ECM
P2195Heated oxygen sensor (H02S) 1, bank 1 - signal stuck leanH02S, fuel pressure, injectors, intake leak
P2197Heated oxygen sensor (H02S) 1, bank 2- signal stuck lean / - implausible signalH02S, fuel pressure, injectors, intake leak / Wiring, short to positive, short to ground, H02S, ECM
P244BDiesel particulate filter (DPF) - differential pressure too highDPF regeneration fluid, Large exhaust leaks, DPF pressure sensor, Open or shorted circuit/s
P2503Charging system - voltage lowWiring, alternator, battery
P2647Rocker arm actuator A, bank 1 - actuator stuck onRocker arm actuator
P2999ISO/SAE Reserved
U Codes
Trouble CodeFault Location
U0028Vehicle area network (VAN) data bus A
U0404Invalid data received - gear shift module
B Codes
Trouble CodeFault Location
B1208EIC Switch-1 Assembly Circuit Short To Ground
B1660Seat Driver Front Up Circuit Open