Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the obd code mean? An excessively high voltage is sent from the sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…
Tag: GMC
C0238 GMC Wheel Speed Mismatch
Possible causes – Faulty Front or Rear Speed Sensor– Front or Rear Speed Sensor harness is open or shorted– Front or Rear Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0238 GMC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal….
P1132 GMC HO2S Circuit Low Variance Bank 2 Sensor 1
Possible causes – Faulty Front Oxygen Sensor– Front Oxygen Sensor harness is open or shorted– Front Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1132 GMC OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to…
C0229 GMC Simultaneous Dropout Of Front Wheel Speed Sensors
Possible causes – Faulty Front Speed Sensor– Front Speed Sensor harness is open or shorted– Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0229 GMC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake Control Module (EBCM)…
P0178 GMC Fuel Composition Sensor Circuit Low Frequency
Possible causes – Faulty fuel composition sensor– Fuel Composition Sensor harness is open or shorted– Fuel Composition Sensor circuit poor electrical connection Tech description Replaced Fuel Composition Sensor When is the obd code mean? The ECM detects that the fuel composition sensor output frequency is less than 45 Hz for greater than 6 s Symptoms…
P0201 GMC Injector 1 Control Circuit
Possible causes – Faulty fuel injector 1– Fuel Injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #1, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0202 GMC Injector 2 Control Circuit
Possible causes – Faulty fuel injector 2– Fuel Injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #2, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0203 GMC Injector 3 Control Circuit
Possible causes – Faulty fuel injector 3– Fuel Injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #3, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0204 GMC Injector 4 Control Circuit
Possible causes – Faulty fuel injector 4– Fuel Injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #4, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0205 GMC Injector 5 Control Circuit
Possible causes – Faulty fuel injector 5– Fuel Injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #5, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…