Has the vehicle been inspected for Diagnostic Trouble Codes (DTC's)?

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Go to Step 2

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls- 3.1L (LG8) or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls- 3.8L

Inspect CKT 121 between the instrument cluster connector C2 terminal P and the powertrain control module (PCM) harness connector C2 terminal 6 for the following conditions:

Does an open, a short, excessive resistance, or electromagnetic interference exist in CKT 121?`

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Go to Step 3

Go to Step 4

1. Repair CKT 121 between the instrument cluster connector C2 terminal P and the PCM harness connector C2 terminal 8, as needed.
2. Inspect the system.

Is the repair complete?

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System OK

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1. Replace the instrument cluster. Refer to Instrument Cluster Replacement .
2. Inspect the system.

Is the repair complete?

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System OK

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