Was the Instrument Cluster System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Check the vehicle for Diagnostic Trouble Codes (DTCs).

Are any DTCs present?

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Go to Diagnostic Trouble Code (DTC) List in Engine Controls-3.1L or Diagnostic Trouble Code (DTC) List in Engine Controls-3.8L

Go to Step 3

1. Turn the ignition switch to the ON position.
2. Connect a Scan Tool and enter into Instrument Cluster diagnostics.
3. WOW to Instrument Cluster on and then WOW the cluster off.

Is the SERVICE ENGINE SOON indicator off?

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Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls-3.1L or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls-3.8L

Go to Step 4

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Has the repair been made and the system rechecked?

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System OK

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