4.6L ( L37 ) ( LD8 ) Engine with DTC P0326 - calibration MIL PCM
| Subject: | 4.6L (L37) (LD8) Engine with DTC P0326 |
| Models: | . |
When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.
Condition/Concern:
4.6L (L37) (LD8) Engine with DTC P0326.
Recommendation/Instructions:
If you have completed the diagnosis for DTC P0326 and it does not lead to a resolution, verify the PCM calibration has following part number or has a later release.
Model | P/N |
|---|---|
Deville | 12588944 |
DHS | 12588944 |
SLS | 12588944 |
DTS | 12588946 |
Deville Hearse/Limo- | 12588947 |
The above PCM calibrations were available to the dealer as of the 9/8 download.
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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.
Models:
(04 Cadillac Deville 4.6L (LD8, L37) Engine) and (04 Cadillac Seville 4.6L (LD8, L37) Engine)
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