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 customize the keyless entry customer options. Refer to Remote Unlock Control Customization .

Were you able to change the customer customization?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Important: Perform the body control module (BCM) programming procedure when replacing the BCM.

Replace the BCM. Refer to Body Control Module Replacement .

Did you complete the repair?

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System OK

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