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
24 Month / Unlimited Mile Limited Warranty on parts only. Please see ACDelco.com for more details.
Warranty Conditions
This warranty does not cover:
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Normal wear and tear.
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Labor for removal, replacement, and programming of the unit from the vehicle.
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Parts which have been subjected to deliberate abuse.
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Conditions resulting from abnormal wear, negligence, alterations or accidents.
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Incorrect fitment.
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Parts used in an incorrect application or parts that are not used for their intended purpose.
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