About: Stephen Darby

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ASE Master Tech

Codes by Stephen Darby:

P Codes
Trouble Code	Fault Location	Probable Cause
P0045	Turbo/super charger boost control solenoid -circuit open	Wiring, boost control solenoid
P0046	Turbo/super charger boost control solenoid circuit range/performance	Wiring, boost control solenoid, mechanical fault
P0047	Turbo/super charger boost control solenoid -circuit low	Wiring short to earth, boost control solenoid
P0048	Turbo/super charger boost control solenoid -circuit high	Wiring short to positive, boost control solenoid
P007D	Charge Air Cooler Temperature Sensor Circuit High	-
P0129	Barometric pressure too low	Wiring, BARO sensor, mechanical fault
P0130	Heated oxygen sensor (HO2S) 1, bank 1 -circuit malfunction	Heating inoperative, poor connection, wiring, H025
P0150	Heated oxygen sensor (HO2S) 1, bank 2 -circuit malfunction	Wiring, H028, ECM
P015B	O2 Sensor Delayed Response – Lean to Rich	Defective O2 sensor(s), Wiring, Defective catalytic converter, Engine exhaust leaks
P0299	Turbo/super charger -low boost	Mechanical fault
P0336	Crankshaft position (CKP) sensor -range/performance problem	Insecure sensor/rotor, air gap, wiring, CKP sensor
P0365	Camshaft position (CMP) sensor B, bank 1 circuit malfunction	Wiring, poor connection, CMP sensor, ECM
P0366	Camshaft position (CMP) sensor B, bank 1 circuit range/performance	Wiring, poor connection, CMP sensor
P0367	Camshaft position (CMP) sensor B, bank 1 circuit low input	Wiring short to earth, CMP sensor, ECM
P0368	Camshaft position (CMP) sensor B, bank 1 circuit high input	Wiring short to positive, CMP sensor, ECM
P0369	Camshaft position (CMP) sensor B, bank 1 circuit intermittent	Wiring, poor connection, ECM
P0386	Crankshaft position (CKP) sensor B -range/performance problem	Insecure sensor/rotor, air gap, wiring, CKP sensor
P0390	Camshaft position (CMP) sensor B, bank 2 circuit malfunction	Wiring, poor connection, CMP sensor, ECM
P0391	Camshaft position (CMP) sensor B, bank 2 circuit range/performance	Wiring, poor connection, CMP sensor
P0392	Camshaft position (CMP) sensor B, bank 2 circuit low input	Wiring short to earth, CMP sensor, ECM -
P0393	Camshaft position (CMP) sensor B, bank 2 circuit high input	Wiring short to positive, CMP sensor, ECM - - - -·
P0394	Camshaft position (CMP) sensor B, bank 2circuit intermittent	Wiring, poor connection, ECM
P0421	Warm up catalytic converter, bank 1 -efficiency below threshold	Catalytic converter, wiring, HO2S 2
P042F	Exhaust Gas Recirculation "A" Control Stuck Closed	-
P0431	Warm up catalytic converter, bank 2 -efficiency below threshold	Catalytic converter, wiring, HO2S 2
P0456	Evaporative emission (EVAP) system -very small leak detected	Mechanical 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/performance	Wiring, poor connection, ECM
P0599	Thermostat heater control system -circuit high	Wiring short to positive, relay, thermostat heater
P0606	Engine control module (ECM)/powertrain control module (PCM) -processor fault	ECM/PCM
P0658	Actuator supply voltage -circuit low	Wiring short to earth, actuator
P0660	Intake manifold air control solenoid, bank 1 -circuit open	Wiring, intake manifold air control solenoid
P0880	Transmission control module (TCM) -power input signal malfunction	Wiring, poor connection, TCM
P0885	Transmission control module (TCM) power relay control circuit open	Wiring, poor connection, TCM power relay, TCM
P0961	Pressure control (PC) solenoid A -control circuit range/performance	Wiring, poor connection, pressure control solenoid, ECM/PCM/TCM
P0965	Pressure control (PC) solenoid B -control circuit range/performance	Wiring, poor connection, pressure control solenoid, ECM/PCM/TCM
P0969	Pressure control (PC) solenoid C -control circuit range/ performance	Wiring, poor connection, pressure control solenoid, ECM/PCM/TCM

P1 Codes
Trouble Code	Fault Location
P1298	Electric Load Detector Circuit High Voltage (Honda) IDM Failure (Ford) Air/Fuel Ratio Lean Under Wide Open Throttle Condition (Chrysler, Dodge)
P1320	Ignition 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 Code	Fault Location	Probable Cause
P2000	Nitrogen oxides (NOx) trap, bank 1 - efficiency below threshold	NOx trap
P2001	Nitrogen oxides (NOx) trap, bank 2 - efficiency below threshold	NOx trap
P2004	Intake manifold air control actuator / solenoid, bank 1 - actuator / solenoid stuck open	Wiring, intake manifold air control actuator / solenoid, mechanical fault
P2005	Intake manifold air control actuator / solenoid, bank 2 - actuator / solenoid stuck open	Wiring, intake manifold air control actuator / solenoid, mechanical fault
P2096	Post catalytic converter fuel trim (FT), bank 1 -too lean	Catalytic converter, exhaust leak
P2098	Post catalytic converter fuel trim (FT), bank 2- too lean	Catalytic converter, exhaust leak
P2138	Throttle position (TP) sensor/switch D/E - voltage correlation	Wiring, TP sensor/switch
P214D	Long term fuel trim (LTFT), bank 1 -range/performance problem	Catalytic converter, exhaust leak, injector leakage, H02S
P215A	Vehicle speed sensor (VSS)/wheel speed - correlation	Wiring, VSS, wheel speed sensor, incorrect tyre size, ECM
P2195	Heated oxygen sensor (H02S) 1, bank 1 - signal stuck lean	H02S, fuel pressure, injectors, intake leak
P2197	Heated oxygen sensor (H02S) 1, bank 2- signal stuck lean / - implausible signal	H02S, fuel pressure, injectors, intake leak / Wiring, short to positive, short to ground, H02S, ECM
P244B	Diesel particulate filter (DPF) - differential pressure too high	DPF regeneration fluid, Large exhaust leaks, DPF pressure sensor, Open or shorted circuit/s
P2503	Charging system - voltage low	Wiring, alternator, battery
P2647	Rocker arm actuator A, bank 1 - actuator stuck on	Rocker arm actuator
P2999	ISO/SAE Reserved

U Codes
Trouble Code	Fault Location
U0028	Vehicle area network (VAN) data bus A
U0404	Invalid data received - gear shift module

B Codes
Trouble Code	Fault Location
B1208	EIC Switch-1 Assembly Circuit Short To Ground
B1660	Seat Driver Front Up Circuit Open