Possible causes – Loose or poor battery terminal connection– Low battery charge– ECM power supply circuit is open or shorted– ECM Programing– Faulty ECM Tech notes Start by charging the vehicles battery and clean terminal, once the battery is charged

Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech notes Start by recharging or replacing the battery. When is the code detected? The Engine Control Module

Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection When is the code

Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection When is the code

Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the code

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

Possible causes – Low or no fuel– Faulty Fuel Rail Pressure Sensor– Fuel Rail Pressure Sensor harness is open or shorted– Fuel Rail Pressure Sensor circuit poor electrical connection– Faulty Fuel Pump Symptoms – Engine Light ON (or Service Engine

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty 1-2 Shift Solenoid valve– 1-2 Shift Solenoid valve harness or connectors– 1-2 Shift Solenoid valve circuit is open or shorted Tech notes When the a transmission solenoid is stuck

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 Tech notes When the a transmission solenoid is stuck

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 Tech notes When the a transmission solenoid is stuck

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 code detected? The P0758 code is

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘C’ valve– Shift solenoid ‘C’ valve harness or connectors– Shift solenoid ‘C’ valve circuit is open or shorted When is the code detected? The P0763 code is

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid valve– Shift solenoid valve harness or connectors– Shift solenoid valve circuit is open or shorted When is the code detected? The P0753 code is detected when the

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the code detected? Code P0787 is detected when the

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the code detected? Code P0788 is detected when the

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the code detected? The P0785 code is detected when

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty solenoid valve– Shift Solenoid valve harness or connectors– Shift Solenoid valve circuit is open or shorted Tech notes When the a transmission solenoid is stuck on, in most cases

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection When is the code detected?

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem Tech notes

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem When is