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12635043 New Engine Control Module

Note:  Add Programming option if you want this module programmed to your VIN.

You will need to do a manual 30 minute relearn for your immobilzer key and a professional scan tool is required for Crankshaft Variation Relearn procedure.

12635043 GM ECM

SKU: 12635043
  • 24 Month / Unlimited Mile Limited Warranty on parts only. Please see for more details.

    Warranty Conditions

    This warranty does not cover:

    • Normal wear and tear.

    • Labor for removal, replacement, and programming of the unit from the vehicle. 

    • Parts which have been subjected to deliberate abuse.

    • Conditions resulting from abnormal wear, negligence, alterations or accidents.

    • Incorrect fitment.

    • Parts used in an incorrect application or parts that are not used for their intended purpose.

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