Tag: GMC

P1122 GMC Throttle Position Sensor Circuit Intermittent Low Voltage

Possible causes – Faulty Throttle Position Sensor– Throttle Position Sensor harness is open or shorted– Throttle Position Sensor circuit poor electrical connection– Throttle Position Sensor not properly adjusted When is the obd code mean? When the Powertrain Control Module (PCM) senses a signal voltage lower than the normal operating range of the sensor, the P1121…

P1860 GMC TCC PWM Solenoid Circuit Electrical

Possible causes – Faulty Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid– Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid harness is open or shorted– Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid circuit poor electrical connection When is the obd code mean? When the PCM detects a continuous open, short to…

P0713 GMC Transmission Fluid Temperature Sensor Circuit High Input

Possible causes – Faulty Transmission Fluid Temperature Sensor– Transmission Fluid Temperature Sensor harness is open or shorted– Transmission Fluid Temperature Sensor circuit poor electrical connection When is the obd code mean? Transmission Control Module (TCM) detects excessively high voltage from the fluid temperature sensor. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…

P0308 GMC Cylinder 8 Misfire Detected

Possible causes – Faulty spark plug 8– Clogged or faulty fuel injector 8– Faulty ignition coil 8– Fuel injector 8 harness is open or shorted– Fuel injector 8 circuit poor electrical connection– Ignition coil 8 harness is open or shorted– Ignition coil 8 circuit poor electrical connection– Insufficient cylinder 8 compression– Incorrect fuel pressure– Intake…

P2108 GMC Throttle Actuator Control Module Performance

Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires) Tech description There is a factory service bulletin for the P2108 code on following Cadillac vehicles: 2006-2007 GMC Savana 1500/2500/35002006-2007 GMC Sierra2006-2007 GMC…

U0107 GMC Lost Communication With Throttle Actuator Control Module

Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires) Tech description There is a factory service bulletin for the U0107 code on following Cadillac vehicles: 2006-2007 GMC Savana 1500/2500/35002006-2007 GMC Sierra2006-2007 GMC…

P1516 GMC Throttle Actuator Control Module Throttle Actuator Position Performance

Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection– Check Throttle Actuator Control (TAC) module connector for water– Binding or bent throttle plate-failed throttle body Tech description There is a factory service bulletin for the P1516…

P2119 GMC Throttle Closed Position Performance

Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection– Throttle plate sticking due to carbon build-up– Engine Control Module When is the obd code mean? The P2119 code is detected when electric throttle control actuator does…

P2176 GMC Minimum Throttle Position Not Learned

Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection– Throttle plate sticking due to carbon build-up– Engine Control Module When is the obd code mean? The P2176 code is set whe the difference between the predicted…