Possible causes – Engine Control Module (ECM) Programming error– Vehicle Identification Number (VIN) not programmed to ECM– Faulty or wrong ECM Tech description If a new ECM is installed in a vehicle, the Vehicle Identification Number (VIN) has to be reprogrammed to the new Engine Control Module (ECM). When is the obd code mean? DTC…
Tag: JEEP
P0016 JEEP Crankshaft-Camshaft Timing Misalignment Bank 1 Sensor 1
Possible causes – Engine oil dirty– Incorrect engine viscosity– Crankshaft position sensor circuit is open or shorted– Camshaft position sensor circuit is open or shorted– Faulty crankshaft position sensor– Faulty camshaft position sensor– Timing gear misalign Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0016 JEEP OBD Code Description The Powertrain Control…
P0017 JEEP Crankshaft-Camshaft Timing Misalignment Bank 1 Sensor 2
Possible causes – Engine oil dirty– Incorrect engine viscosity– Crankshaft position sensor circuit is open or shorted– Camshaft position sensor circuit is open or shorted– Faulty crankshaft position sensor– Faulty camshaft position sensor– Timing gear misalign Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0017 JEEP OBD Code Description The Powertrain Control…
P0441 JEEP EVAP Purge System Performance
Possible causes – EVAP purge solenoid vacuum supply– EVAP purge hose/tube obstruction– EVAP purge solenoid vacuum supply-evap system leak– Faulty Powertrain Control Module (PCM) Tech description The P0441 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers…
P0400 JEEP Exhaust Gas Recirculation System Performance
Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…
P0271 JEEP Cylinder 4 Injector Circuit High
Possible causes – Dirty Fuel Injector 4– Faulty Fuel Injector 4– Plugged Fuel Injector 4– Fuel injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…
P0748 JEEP Governor Pressure Solenoid Circuit Condition
Possible causes – Dirty transmission fluid– Low transmission fluid level– Faulty governor pressure solenoid valve– Governor pressure solenoid valve harness or connectors– Governor pressure solenoid valve circuit is open or shorted When is the obd code mean? Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit Symptoms – Engine Light…
P1107 JEEP BARO Solenoid Performance
Possible causes – Check for mechanical condition- Hoses and tubing– Vacuum supply to surge solenoid– Failed Wastegate Actuator– Failed Turbocharger When is the obd code mean? The ECM did not detect a sufficient variance between the TIP sensor signal and the BARO pressure signal during turbo boost mode Symptoms – Engine Light ON (or Service…
P1115 JEEP General Temperature Rationality
Possible causes – Check other service codes first When is the obd code mean? The Engine Control Module (ECM) has detected a fault when comparing the Ambient Air, Coolant Temp, and Intake Air temperatures
P0237 JEEP MAP Sensor Too High Too Long
Possible causes – Check other service codes first– Restricted MAP hose– Faulty MAP sensor– Intake manifold fault condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0237 JEEP OBD Code Description The ECM has detected that the Intake Air Pressure is above a calibrated value for too long.