Possible causes – Faulty Engine Brake Driver Relay– Engine Brake Driver harness is open or shorted– Engine Brake Driver circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected that the signal from the engine brake driver output does not match the driver feedback signal. Symptoms – Engine…
Tag: JEEP
P0685 JEEP Auto Shutdown Relay Control Circuit Failure
Possible causes – Faulty Engine Control Module (ECM) power relay– ECM power relay harness is open or shorted– ECM power relay circuit poor electrical connection– Faulty (ECM) Tech description Check all the ECM fuses, if the fuses are OK try replacing the ASD relay. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…
P0657 JEEP Solenoid Supply Voltage Circuit
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– ECM Programming Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0657 JEEP OBD Code Description The Transmission Control Moduel (TCM) has detected a voltage supply fault to the hydraulic control unit
P0651 JEEP 5 Volt Sensor Reference 2 Circuit
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher or lower than expected Symptoms – Engine Light…
P0643 JEEP Sensor Reference Voltage 1 Circuit High
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher than expected Symptoms – Engine Light ON (or…
P0653 JEEP 5 Volt Sensor Reference 2 Circuit High
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher than expected Symptoms – Engine Light ON (or…
P0642 JEEP Sensor Reference Voltage 1 Circuit Low
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is lower than expected Symptoms – Engine Light ON (or…
P0652 JEEP 5 Volt Sensor Reference 2 Circuit Low
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is lower than expected
P0600 JEEP ECM Fault
Possible causes – Faulty Engine control Module (ECM)– Engine control Module(ECM) harness is open or shorted– Engine control Module (ECM) cicuit poor electricl connection– Low battery voltage Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0600 JEEP OBD Code Description Engine control Module (ECM) unable to communicate.
P1698 JEEP ECM Fault No CCD Message From TCM
Possible causes – Faulty Engine control Module (ECM)– Engine control Module(ECM) harness is open or shorted– Engine control Module (ECM) cicuit poor electricl connection– Low battery voltage Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1698 JEEP OBD Code Description Engine control Module (ECM) unable to communicate with Transmission Control Module (TCM)