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

Try 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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System OK

Go to Step 3

3

Replace the BCM. Refer to Body Control Module Replacement

Is the repair complete?

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System OK

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