GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the keyless entry diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Attempt to operate the right side door lock and unlock functions using the right door lock switch.

Does the right side door lock and unlock?

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Go to Step 3

Go to Symptoms in Doors

3

  1. Perform the keyless entry transmitter test. Refer to Transmitter Test .
  2. Attempt to operate the right side door lock and unlock functions using the remote control door lock transmitter.

Does the right side door lock and unlock?

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System OK

Go to Step 4

4

Replace the BCM.

Refer to Body Control Module Replacement in Body Control Systems.

Is the repair complete?

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System OK

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