GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Verify the hourmeter operation. Refer to Instrument Cluster Description and Operation .

Does the hourmeter operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 4

--

4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2