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…

P0645 JEEP Air Conditioning Clutch Relay Circuit Malfunction

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? The P0645 code is stored if an open or short exists in A/C clutch relay control circuit. Symptoms – Engine Light ON (or Service…

P0406 JEEP Exhaust Gas Recirculation Position Sensor Circuit High

Possible causes – EGR Valve clogged, dirty or leaky– EGR valve damaged/defective– EGR volume control solenoid valve– EGR temperature sensor and circuit– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection When is the obd code mean? An improper voltage signal is sent to ECM…

P0404 JEEP Exhaust Gas Recirculation Position Sensor Performance

Possible causes – EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? An improper voltage signal is sent to ECM through the valve Symptoms – Engine Light ON (or…

P0405 JEEP Exhaust Gas Recirculation Position Sensor Circuit Low

Possible causes – EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? An improper voltage signal is sent to ECM through the valve Symptoms – Engine Light ON (or…

P0632 JEEP Odometer Not Programmed or Mismatch

Possible causes – Engine Control Module (ECM) Programming error– Odometer not programmed to ECM– Faulty or wrong ECM Tech description If a new ECM/PCM is installed in a vehicle, the mileage has to be reprogrammed to the new ECM/PCM When is the obd code mean? Mileage on odometer does not agree with mileage in Engine…

P0630 JEEP VIN Not Programmed or Mismatch

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…