Did you perform the engine cooling diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the Engine Coolant Temperature parameter in the PCM data 1 list.

Does the scan tool indicate that the Coolant Temperature parameter is within the temperature range shown on the temperature gauge?

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Go to Step 3

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.4L

Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Important: Perform the set up procedure for the IP.

Did you complete the replacement and the set up procedure?

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Go to Step 4

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2