Possible causes – Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the obd code mean? If the current is outside of the expected range, DTC P0090 will set. Symptoms – Engine Light ON (or Service Engine Soon…
Tag: GMC
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…
P0206 GMC Injector 6 Control Circuit
Possible causes – Faulty fuel injector 6– Fuel Injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #6, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0175 GMC Fuel Trim System Rich Bank 2
Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Faulty Mass Air Flow (MAF) sensor When is the obd code mean? – Fuel injection system does not operate properly– The amount of mixture ratio compensation is too large. (The mixture ratio is too rich.) Symptoms…