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.
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