LaCrosse V6-3.8L (2009)
‹› If the MIL does not illuminate, test the MIL control circuit for a short to voltage, or an open/high resistance. If the circuit tests normal, replace
the IPC/bulb.
4. If all circuits/connections test normal, replace the PCM. Ignition ON, verify that the IPC warning indicators are illuminated.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble
Code Tests and Associated Procedures/Verification Tests and Procedures) after completing the diagnostic procedure.
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Instrument Cluster Replacement (See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster / Carrier/Service and Repair)
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Control Module References (See: Testing and Inspection/Programming and Relearning) for PCM replacement, setup and programming