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…
Tag: GMC
P0741 GMC Torque Converter Clutch Circuit Performance or Stuck Off
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 the obd code mean? Lock-up does not occur when driving in lock-up range or lockup…
P0218 GMC Transmission Over Temperature Condition
Possible causes – Low transmission fluid level– Transmission cooling system concerns When is the obd code mean? When the Powertrain Control Module (PCM) detects a high transmission fluid temperature (TFT) for a long period of time, then code P0218 will set. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0218 GMC OBD…
P0522 GMC Engine Oil Pressure Sensor 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 set when the Powertrain Control Module (PCM) senses a signal voltage lower than the normal operating range…
P0894 GMC Torque Converter Clutch Fluid Diagram
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 GMC OBD Code Description
P0751 GMC 1-2 Shift Solenoid Valve Performance – No First or Fourth Gear
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 description When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the…
P0752 GMC 1-2 Shift Solenoid Valve Performance – No Second or Third Gear
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 description When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the…
P0753 GMC 1-2 Shift Solenoid Circuit Electrical
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 When is the obd code mean? When the Powertrain Control Module (PCM) detects a continuous open, short to ground or short to power in…
P0757 GMC 2-3 Shift Solenoid Valve Performance – No Third or Fourth Gear
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? When the Powertrain Control Module (PCM) detects a 1-2-2-1 shift pattern, then DTC P0757 sets. Symptoms – Engine…
P0756 GMC 2-3 Shift Solenoid Valve Performance – No First or Second Gear
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? When the Powertrain Control Module (PCM) detects a 4-3-3-4 shift pattern, then DTC P0756 sets. Symptoms – Engine…