Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection When is the obd code mean? An excessively low voltage from the Throttle Position (TP) Sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon Warning…
Tag: GMC
P1120 GMC Throttle Position Sensor 1 Circuit
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 higher than the normal operating range of the sensor, the P1120…
P1121 GMC Throttle Position Sensor Circuit Intermittent High 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 higher than the normal operating range of the sensor, the P1121…
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…
P0306 GMC Cylinder 6 Misfire Detected
Possible causes – Faulty spark plug 6– Clogged or faulty fuel injector 6– Faulty ignition coil 6– Fuel injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection– Ignition coil 6 harness is open or shorted– Ignition coil 6 circuit poor electrical connection– Insufficient cylinder 6 compression– Incorrect fuel pressure– Intake…
P0307 GMC Cylinder 7 Misfire Detected
Possible causes – Faulty spark plug 7– Clogged or faulty fuel injector 7– Faulty ignition coil 7– Fuel injector 7 harness is open or shorted– Fuel injector 7 circuit poor electrical connection– Ignition coil 7 harness is open or shorted– Ignition coil 7 circuit poor electrical connection– Insufficient cylinder 7 compression– Incorrect fuel pressure– Intake…
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…