LaCrosse V6-3.8L VIN 2 (2005)
To determine which calibration is correct for the 2004 Pontiac Grand Prix, obtain the part number of the calibration currently in the PCM using a
Tech 2(R). Compare that part number to that shown and reprogram the PCM with the corresponding new calibration. For the 2005 Pontiac Grand
Prix and Allure/LaCrosse, the emission system determines the correct calibration.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
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