P0541 GMC
Intake Air Heater ‘A’ Circuit Low
GMC
P0530 GMC
Air Conditioning Refrigerant Pressure Sensor Circuit
P0532 GMC
A/C Refrigerant Pressure Sensor Circuit Low Input
P0523 GMC
Engine Oil Pressure Sensor Circuit High Voltage
P0526 GMC
Cooling Fan Speed Sensor Circuit
P0513 GMC
Incorrect Immobilizer Key
P0521 GMC
Engine Oil Pressure Sensor/Switch Circuit Range/Performance
P0522 GMC
Engine Oil Pressure Sensor Circuit Low Voltage
P0507 GMC
Idle Speed High
P050D GMC
Cold Start Rough Idle