Possible causes – Faulty Left Front Speed Sensor– Left Front Speed Sensor harness is open or shorted– Left Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0227 GMC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
Tag: GMC
P0650 GMC Malfunction Indicator Lamp Control Circuit Malfunction
Possible causes – Faulty Malfunction Indicator Lamp Bulb– Malfunction Indicator Lamp Bulb harness is open or shorted– Malfunction Indicator Lamp Bulb circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status will change…
P0112 GMC Intake Air Temperature Sensor Circuit Low Voltage
Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? When the PCM senses a signal voltage lower than the normal operating range of the sensor, this DTC…
P1111 GMC Intake Air Temperature Sensor Circuit Intermittent High Voltage
Possible causes – Faulty Intake Air Temperature Sensor– Intake Air Temperature Sensor harness is open or shorted– Intake Air Temperature Sensor circuit poor electrical connection When is the obd code mean? The P1111 code is set when the Powertrain Control Module (PCM) senses a signal voltage higher than the normal operating range of the sensor….
P1112 GMC Intake Air Temperature Sensor Circuit Intermittent Low Voltage
Possible causes – Faulty Intake Air Temperature Sensor– Intake Air Temperature Sensor harness is open or shorted– Intake Air Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1112 GMC OBD Code Description The Intake Air Temperature (IAT) sensor contains a semiconductor device which changes resistance based…
P1346 GMC Intake Camshaft Position Sensor System Performance
Possible causes – Faulty Intake Camshaft Position sensor– Faulty Camshaft Position Solenoid Valve– Engine mechanical condition – Valve timing off– Intake Camshaft Position sensor harness is open or shorted– Intake Camshaft Position sensor circuit poor electrical connection When is the obd code mean? The Powertrain Control Module (PCM) detected the actual cam timing and the…
P0325 GMC Knock Sensor Circuit Malfunction
Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Powertrain Control System (PCM) Tech description The P0325 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually…
P0357 GMC Ignition Coil 7 Control Circuit
Possible causes – Faulty Ignition Coil 7– Ignition Coil 7 harness is open or shorted– Ignition Coil 7 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) When is the obd code mean? Each ignition circuit is continuously monitored by the Powertrain Control Module (PCM). The test fails when the PCM does not receive a…
P0358 GMC Ignition Coil 8 Control Circuit
Possible causes – Faulty Ignition Coil 8– Ignition Coil 8 harness is open or shorted– Ignition Coil 8 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) When is the obd code mean? Each ignition circuit is continuously monitored by the Powertrain Control Module (PCM). The test fails when the PCM does not receive a…
B1380 GMC Device Ignition Accessory Circuit Open
Possible causes – Faulty Ignition Switch– Ignition Switch harness is open or shorted– Ignition Switch circuit poor electrical connection When is the obd code mean? Whne the BCM detects a short to ground in the circuit or a short to battery or an open in the circuit when the switch is in the OFF position….