Search results
Results from the WOW.Com Content Network
Code 22. Throttle position sensor. Low Voltage. Code 23. Intake Air temp sensor. Out of range, low. resistance. Code 24. Vehicle speed sensor. Circuit fault. Code 25. Intake Air temp sensor. Out of range, high. resistance. Code 26. QDM A ( Quad-driver. module ) Circuit #1 fault Code 27. QDM A ( Quad-driver. module ) 2nd gear circuit. GM OBD1 ...
GM OBD1 Codes List and Definition [FULL] Free Download: Full GM OBD1 Trouble Codes List and Meaning PDF. Note: Use the search box in the table below to quickly find the specific code you’re looking for.
Title GM OBD I Trouble Code Chart Code Description Code 12 No distributor reference pulse (diagnostic test active) Code 13 Oxygen sensor circuit open or no activity
This document lists GM OBD1 diagnostic codes, their meanings, and related fault locations. There are over 70 codes listed ranging from issues with sensors like oxygen sensors, throttle position sensors, and coolant temperature sensors to transmission problems, ignition issues, and anti-theft system errors.
Do you have a GM vehicle between 1980 to 1995? If so, there is a big chance your car has an OBD1 connector (ALDL). This connector is unique and applies to Pontiac, Chevrolet, GMC, Oldsmobile, Cadillac, and Buick, and more. The positive thing with the OBD1 connector is that you can read the trouble codes at home without any diagnostic tools.
The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year.
These are the GM specific OBD1 DTC codes: GM common codes for OBD1 (for vehicles made before 1995) 12 System normal 13 oxygen sensor circuit open 14 coolant sensor high resistance or shorted 15 coolant sensor circuit low or open 16 direct ignition system (DIS) fault in circuit 17 cam position sensor fault 18 crank or cam sensor error