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…
Tag: JEEP
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…
P0412 JEEP Secondary Air Injection Switchover Solenoid Circuit
Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0412 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…
P0415 JEEP Secondary Air Injection System Switching Valve B Circuit Malfunction
Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0415 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…
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…
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…