Category: OBDii Powertrain Codes

P0251 Injector Pump Fuel Metering Control A Possible causes – Check Quantity Adjuster– Check Modulator Piston Displacement Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0252 Injector Pump Fuel Metering Control A Possible causes – Check Quantity Adjuster– Check Modulator Piston Displacement Sensor– Check Cold Start Injector– Check Needle Lift Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0253 Fuel Quantity Solenoid Circuit Short To Ground Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) has detected a short to ground condition on the Fuel Quantity Solenoid circuit Symptoms –…

P0254 Fuel Quantity Solenoid Short Circuit Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0255 Injection Pump Fuel Metering Control A Intermittent (Camshaft / Rotor / Injector) OBD Code: System: Subsystem:  P0255 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Injection Pump Fuel Metering Control A Intermittent (Camshaft / Rotor / Injector) Location: Analysis: Possible Causes:  Control A  Sporatic Operation   Tech description:

P0256 Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector) OBD Code: System: Subsystem:  P0256 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector) Location: Analysis: Possible Causes:  Control B     Tech description:

P0242 Turbo/Super Charger Boost Sensor B Circuit High Possible causes – Boost pressure sensor harness is open or shorted– Boost pressure sensor circuit poor electrical connection– Faulty boost pressure sensor– Faulty Turbo/Super Charger– Engine over temperature– Ignition misfire exceeds the calibrated threshold– Faulty Knock sensor (KS) What about the obd code? This diagnostic trouble code…

P0243 Turbo/Super Charger Wastegate Solenoid A Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0243 Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0244 Turbo/Super Charger Wastegate Solenoid A Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0244 Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0245 Turbo/Super Charger Wastegate Solenoid A Low Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0245 Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0246 Turbo/Super Charger Wastegate Solenoid A High Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0246 Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0247 Turbo/Super Charger Wastegate Solenoid B Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0247 Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0248 Turbocharger/Supercharger Wastegate Solenoid B Range/Performance Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0248 Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0249 Turbo/Super Charger Wastegate Solenoid B Low Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0249 Audi Description The ECM has detected a signal outside parameters on the wastegate solenoid circuit