Tag: JEEP

Possible causes -Fuel leak-Fuel filter-Transfer pump flow-High pressure fuel pump-Leaking fuel injectors or connectors-Leaking pressure limiting valve-Fuel control actuator-Fuel pressure sensor-Restriction in fuel return lines-Cascade overflow valve-Air in the fuel system. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1012 JEEP OBD Code Description P1012 Code is set the Engine Control Module…

Possible causes – Warm Up Three Way Catalytic converter deterioration or malfunction– Exhaust system leaks– Loose front or rear HO2Ss– Faulty front heater O2 sensor– O2 sensors harness is open or shorted– O2 sensors poor electrical connection Tech description As the code description implies the P0422 code means that the vehicle’s control module has detected…

Possible causes – Warm Up Three Way Catalytic converter deterioration or malfunction– Exhaust system leaks– Loose front or rear HO2Ss– Faulty front heater O2 sensor– O2 sensors harness is open or shorted– O2 sensors poor electrical connection Tech description As the code description implies the P0432 code means that the vehicle’s control module has detected…

Possible causes – Water in fuel– Faulty Water In Fuel (WIF) Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0169 JEEP OBD Code Description The ECM has detected that the WIF light has remained on longer than expected

Possible causes – Weak battery – Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Tech description Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. Symptoms – Engine Light ON (or…

Possible causes – Weak battery – Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Tech description Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. Symptoms – Engine Light ON (or…

Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Tech description Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. Symptoms – Engine Light ON (or Service…

Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0686 JEEP OBD Code Description The Engine Control Module (ECM) has detected a…

Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0687 JEEP OBD Code Description The Engine Control Module (ECM) has detected a…

Possible causes – Wheel slippage (water, ice, mud, and snow)– Excessive engine RPM in NEUTRAL or operated in the wrong transmission gear.– Mechanical engine problems– Mechanical transmission problem– Powertrain control module– Transmission control problem Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0219 JEEP OBD Code Description Indicates the vehicle has been…