GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the instrument cluster diagnostic system check performed.

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Go to Step 2

Diagnostic System Check - Instrument Cluster

2

  1. Turn the ignition switch to the RUN position.
  2. With a scan tool select Instrument Panel Cluster, Special Functions, and Lamp Test.
  3. Command the Battery Charge Fault message ON.

Does the Battery Charge Fault message turn ON and OFF when commanded?

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Go to Charging System Check

Go to Step 3

3

Replace the IPC. Refer to Instrument Cluster Replacement

Is the repair complete?

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Instrument Cluster System Check

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