GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

DEFINITION: This test assumes that all DDM, RIM and RFA DTCs have been diagnosed.

1

Did you perform the Door Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Door Systems

2

Lock and unlock the door locks using the controls inside the vehicle.

Do the locks operate properly?

Go to Keyless Entry System Inoperative

Go to Power Door Locks Inoperative