P0757 JEEP 2-3 Shift Solenoid Fault

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty 2-3 Shift Solenoid Valve– 2-3 Shift Solenoid Valve harness or connectors– 2-3 Shift Solenoid Valve circuit is open or shorted When is the obd code mean? The P0757 code is detected when the TCM has detected voltage on the 2-3 shift solenoid during a…

P0125 JEEP Insufficient Coolant Temperature for Closed Loop Fuel Control

Possible causes – Low engine coolant level– Leaking or stuck open thermostat– Faulty Engine Coolant Temperature (ECT) sensor– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the obd code mean? The voltage sent to Engine Control Module (ECM) from the Engine Coolant…

P0520 JEEP Engine Oil Pressure Sensor/Switch Circuit Malfunction

Possible causes – Low oil level or motor mechanical fault– Faulty oil pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection When is the obd code mean? The P0520 is detected when the circuit from oil pressure sensor to PCM is malfunction Symptoms – Engine Light ON…

P0522 JEEP Engine Oil Pressure Sensor/Switch Circuit Low Voltage

Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection When is the obd code mean? The P0522 is detected when the signal sent from oil pressure sensor to PCM goes below specifications. Symptoms – Engine…

P0523 JEEP Engine Oil Pressure Sensor/Switch Circuit High Voltage

Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection When is the obd code mean? The P0523 is detected when the signal sent from oil pressure sensor to PCM goes above specifications. Symptoms – Engine…

P0524 JEEP Engine Oil Pressure Sensor/Switch Circuit

Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection When is the obd code mean? The P0524 is detected when the circuit from oil pressure sensor to PCM is malfunction. Symptoms – Engine Light ON…

P3400 JEEP Multiple Displacement System Rationality Bank 1

Possible causes – Low oil pressure– Restricted oil passage– Engine mechanical condition– Multiple Displacement System (MDS) Solenoid fault Tech description Although in some cases changing the engine oil may fix the problem, usually the Multi Displacement System Solenoid may need to replaced. When is the obd code mean? The Engine Control Module (ECM) has detected…

P3497 JEEP Multiple Displacement System Rationality Bank 2

Possible causes – Low oil pressure– Restricted oil passage– Engine mechanical condition– Multiple Displacement System (MDS) Solenoid fault Tech description Although in some cases changing the engine oil may fix the problem, usually the Multi Displacement System Solenoid may need to replaced. When is the obd code mean? The Engine Control Module (ECM) has detected…

P0298 JEEP Engine Oil Temperature Too High

Possible causes – Low or dirty motor oil condition– Faulty Oil Pressure Switch– Faulty Engine Oil Temperature (EOT) sensor– Engine overheating condition– Very high engine RPM for an extended period of time Tech description On engines which are equipped with an oil temperature sensor, the Engine Control Module (ECM) reads oil temperature to determine if…

P0562 JEEP System Under Voltage

Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. When is the obd code mean? System voltage falls below 8.5 volts with the engine RPM greater than 2000 RPM for 60 seconds Symptoms…