Tag: obd codes

GM OBD Trouble Codes

GM  OBD TROUBLE CODES   GM Code List P1000-P1299 NOTE: For some code numbers, there may be more than one definition because the same number may be used for different faults on different model years or models. P1031….O2 Sensor heater control circuit problem P1105….Secondary Vacuum Sensor circuit P1106….MAP sensor circuit voltage intermittent high or low …READ MORE