How to extract the diagnostic codes from GM vehicles

Watch this instructional car video that demonstrates how to extract the diagnostic codes from GM vehicles. This is an easy process to perform. You will need a pencil and paper to write down the codes, as well as the proper manual for deciphering your vehicle's specific codes. Retrieving service codes from a General motors vehicle is simple if you follow these easy steps:

-Locate the ALDL/ALCL diagnostic connector
-Insert the code key into the diagnostic connector and turn the ignition key to the run position
-Observe and record the codes flashed by the check engine light
-Reference a service manual to determine the part or system indicated by the codes
-Locate and follow the diagnostics chart in a service manual to troubleshoot the part or system
-Turn the ignition off and remove the code key
-After making the repairs, clear the memory

Extract the diagnostic codes from your general motor vehicle today and start troubleshooting.