Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection When is the obd code mean? Ambient temperature sensor input voltage is below the minimum acceptable value. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0072 JEEP…
Tag: JEEP
P0070 JEEP Ambient Air Temperature Signal Voltage Too High/Low
Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient Air Temperature (AAT) sensor circuit. Symptoms – Engine…
P0071 JEEP Ambient Air Temperature Sensor Performance
Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient Air Temperature (AAT) sensor circuit. Symptoms – Engine…
P1388 JEEP ASD or CNG Relay Control Circuit
Possible causes – Faulty ASD Relay– Faulty CNG Relay– ASD or CNG Relay harness is open or shorted– ASD or CNG Relay circuit poor electrical connection– ASD or CNG Relay poor ground or supply voltage condition When is the obd code mean? ECM commanded on the ASD or CNG relay and detected an open or…
P1639 JEEP TCM Internal CAN 2 RAM Performance
Possible causes – Failed Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 JEEP OBD Code Description The TCM is reporting an internal processor error
P0816 JEEP Downshift Switch Circuit
Possible causes – Faulty Transmission Gear Selection Switc – Transmission Gear Selection Switch harness is open or shorted– Transmission Gear Selection Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0698 JEEP Accelerator Pedal Position Sensor Supply Voltage Too Low
Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0698 JEEP OBD Code Description The Engine Control Module (ECM) has detected a low voltage at the Accelerator Pedal…
P0699 JEEP Accelerator Pedal Position Sensor Supply Voltage Too High
Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0699 JEEP OBD Code Description The Engine Control Module (ECM) has detected a high voltage at the Accelerator Pedal…
P0646 JEEP Low Voltage Detected At The AC Clutch Relay
Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection When is the obd code mean? Code P0646 may be stored if the commanded signal from the AC Clutch circuit does not match the feedback signal. Symptoms – Engine Light…
P0647 JEEP High Voltage Detected At The AC Clutch Relay
Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection When is the obd code mean? Code P0647 may be stored if the commanded signal from the AC Clutch circuit does not match the feedback signal. Symptoms – Engine Light…