2017 2018 Sonic 12670309, 12668986 Engine Control Module ECM ECU, OEM.  Part numbers must match.  May need to be reprogrammed.  Buyer is responsible for any items that need reprogramming.  Unit has some cosmetic blemishes on case that will not affect function of unit.  Pins are in good condition.  Please look at all pictures and part numbers before purchase.

This listing is for the UNIT AS TITLED AND PICTURED. 

ENCORE 17-18 Electronic Control Module; (1.4L), VIN B ( 8th digit, opt LUV )
SIERRA 2500 PICKUP 17-18 Electronic Control Module; (LH front engine compartment), 6.0L
SIERRA 3500 PICKUP 17 Electronic Control Module; (LH front engine compartment), 6.0L
SIERRA DENALI 2500 17 Electronic Control Module; (LH front engine compartment), 6.0L
SIERRA DENALI 3500 17 Electronic Control Module; (LH front engine compartment), 6.0L
SILVERADO 2500 PICKUP 17-18 Electronic Control Module; (LH front engine compartment), 6.0L
SILVERADO 3500 PICKUP 17 Electronic Control Module; (LH front engine compartment), 6.0L
SONIC 17-18 Electronic Control Module
SUBURBAN 3500 17 Electronic Control Module; (LH front engine compartment)
TRAX 17 Electronic Control Module

YOU ARE BIDDING ON THE USED ITEM AS TITLED AND PICTURED.

PLEASE MAKE SURE YOU CHECK THE PART NUMBER TO MATCH THE PART NUMBER ON THE ORIGINAL UNIT FROM YOUR VEHICLE. THE PART NUMBERS MUST MATCH!

THE PART # IN THE PICTURE IS THE EXACT PART # FOR THE UNIT. OTHER PART #S LISTED (IF APPLICABLE) ARE CONSIDERED "INTERCHANGEABLE." SOME MODULES MAY REQUIRE PROGRAMMING BEFORE INTERCHANGING.

SOME VEHICLES REQUIRE ELECTRONICS TO BE PROGRAMMED.

PLEASE CHECK WITH YOUR MECHANIC OR DEALER BEFORE PURCHASING. WE CAN NOT BE HELD RESPONSIBLE FOR ANY FEES ASSOCIATED WITH INSTALLATION, PROGRAMMING, OR ANY OTHER COSTS.


YOU ARE RESPONSIBLE TO MAKE SURE THIS IS THE CORRECT PART FOR YOUR VEHICLE.

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Please read before placing an order 

Parts from 1998 and up vehicles are complicated and anti-theft systems have further complicated installation of used or new modules. Replacing an ECM in most cases require re-programming by a qualified Technician or high tech automotive locksmith. In most makes and models dealerships tools are locked by the manufacturer to prevent installation of used modules into a vehicle. Please verify installation procedures before purchase. We are not able to answer any questions related to installation. Buyers need to qualify the reprogrammers of the ECM to make sure they have the required tools or knowledge for each vehicle applications. If they are unable to program they will condemn the ECM as defective. Buyer hereby acknowledges that the sellers' liability is limited to the price of the item sold. We will not be liable for any damage or injury that results from any use of used auto parts or any other item sold on ebay.