Details

• Brand:

  

• SKU:

  12725663

• Other Names:

  ECM, Module

• Description:

  GM part 12725663 is a genuine GM Engine Control Module (ECM), also called the engine computer. GM describes it as "MODULE ASM-ENG CONT (W/ 2ND MPU)" (Engine Control Module Assembly with a second microprocessor).

  Part details

  • GM Part Number: 12725663
  • Component: Engine Control Module (ECM)
  • Manufacturer: General Motors
  • Supersedes/replaces several older GM ECM part numbers, including 12683348, 12679078, 12659039, 12708794, 12698026, and 12687296.

  Common applications This ECM is used in numerous GM vehicles equipped with the 3.6L V6 (LGX) engine, including certain model years of:

  • Buick Enclave
  • Buick LaCrosse
  • Buick Regal
  • Cadillac ATS
  • Cadillac XT5
  • Chevrolet Camaro
  • Chevrolet Blazer
  • GMC Acadia and several other GM models.

  Important A replacement ECM typically requires programming/flashing to the vehicle VIN and calibration before the vehicle will operate correctly.

  If you provide your VIN or year, make, model, and engine, I can verify whether 12725663 is the correct ECM for your specific vehicle and check if there is a newer superseding part number.

  Engine Control Module (ECM) - MPN 12725663

  The Engine Control Module (ECM) MPN 12725663 is a genuine GM OEM replacement part designed to manage engine performance, fuel injection, and emissions systems on select GM vehicles. This critical engine computer controls ignition timing, air-fuel mixture, and diagnostic functions to ensure optimal engine efficiency and reliability. Perfect for buyers seeking authentic OEM ECM replacements and engine computer repairs.

  - Genuine OEM Engine Control Module manufactured by General Motors for exact factory specifications
  - Direct fitment replacement for select GM vehicles requiring MPN 12725663 ECM units
  - Controls engine management functions including fuel injection, ignition timing, and emissions monitoring systems
  - Compatible with GM vehicles equipped with this specific ECM module configuration
  - Authentic General Motors part in new or remanufactured condition with OEM quality assurance

• Replaces:

  12679078, 12683348, 12687296, 12698026, 12708794

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