GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

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?

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Go to Step 2

Go to Diagnostic System Check - Power Door Systems

2

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

Do the locks operate properly?

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Go to Keyless Entry System Inoperative

Go to Power Door Locks Inoperative