GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Anti-lock Brakes System Check performed?

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Go to Step 2

Go to Diagnostic System Check - ABS

2

  1. Connect a scan tool to the vehicle data link connector (DLC).
  2. Enter the instrument cluster WOW mode.
  3. Command the instrument cluster indicators off.

Does the low trac indicator turn off?

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Go to Diagnostic System Check - ABS

Go to Step 3

3

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

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System OK

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