Tag: CADILLAC

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 obd code mean? When the Powertrain Control Module (PCM) detects a continuous open, short to ground or short to power in the 3-2…

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 obd code mean? When the PCM detects a continuous open, short to ground or short to power…

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 description When the a transmission solenoid is stuck on, in most cases the problem is not…

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 set when the Powertrain Control Module (PCM) senses a signal voltage lower than the normal operating range…

Possible causes – Low transmission fluid level – Dirty or contaminated fluid – Internal transmission failure When is the obd code mean? When the Powertrain Control Module (PCM) detects excessive Torque Converter Clutch (TCC) slip when the TCC should be engage, then the trouble code P0894 is set. P0894 CADILLAC OBD Code Description The Powertrain…

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…

Possible causes – Leaking fuel pressure regulator– Leaking fuel injector When is the obd code mean? The average long term fuel trim values at idle are less than -30 percent for 10 seconds Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2188 CADILLAC OBD Code Description The engine control module (ECM) controls…

Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description If cooling system is not leaking and the fluid level is OK, replacing the thermostat…

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? The Powertrain Control Module (PCM) has detected that the electrical system voltage level is too low. Symptoms –…

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 obd code mean? An excessively low voltage from the sensor is sent to ECM. Symptoms –…