2012 Ford Focus Engine Computer ECU PCM ECM 2.0L CM5A-12A650-AKB OEM

CM5A-12A650-AKB, this is the Engine Control Module (ECM) (also called the Powertrain Control Module / PCM) for the Ford Focus.¹

Crucial Tech Note: Ford PCMs are not plug-and-play. This unit requires re-flashing/programming by a dealer or automotive locksmith to match your vehicle's VIN and Security (PATS) system (Key Immobilizer) before the car will start.

Part Details

• Part Name: Engine Computer / Powertrain Control Module (PCM) / ECU

• OEM Part Number: CM5A-12A650-AKB

• Hardware Code: Often marked G1D40 or similar on the label.

• Catch Code: The 3-4 digit code in big letters (e.g., "AKB") represents the specific software calibration.

• Manufacturer: FoMoCo (Ford Motor Company)

Vehicle Fitment

• Make: Ford

• Model: Focus

• Year: 2012

• Engine: 2.0L 4-Cylinder (Naturally Aspirated)

• Note: Part numbers starting with CM5A are specific to the 2012 model year production. Later years (2013+) typically use DM5A or EM5A.

2012 Ford Focus Engine Computer ECU PCM ECM 2.0L CM5A-12A650-AKB OEM

Item Specifics:

• Brand: Ford / FoMoCo

• Manufacturer Part Number: CM5A-12A650-AKB

• Interchange Part Number: CM5A-12A650-AKA

• Placement on Vehicle: Engine Bay / Driver Side Fender

• Type: Powertrain Control Module (PCM)

• Fitment Type: Direct Replacement (Requires Programming)

Description:

For sale is a Genuine OEM Engine Computer (PCM) removed from a 2012 Ford Focus.

This module controls the engine management and emissions systems for the 2.0L engine.

PART DETAILS:

• Part Number: CM5A-12A650-AKB

• Hardware ID: (Check label, usually MB279700-xxxx)

• Condition: Used OEM Part.

• Pins: Connector pins are clean, straight, and free of corrosion.

• Housing: Aluminum housing is intact with no cracks.

COMPATIBILITY:

Fits 2012 Ford Focus (2.0L Non-Turbo models).

• Please match the ID CM5A-12A650-AKB exactly. Ford uses many different software versions for this vehicle depending on transmission and emissions standards.

⚠️ IMPORTANT PROGRAMMING NOTE:

This unit is NOT Plug-and-Play.

• It must be Programmed / Flashed to your specific vehicle by a Dealership or Certified Locksmith after installation.

• You will likely need to perform a "PATS Parameter Reset" (Anti-theft security relearn) to sync your keys, otherwise, the vehicle will not start.

SHIPPING:

• Ships fast via USPS Priority or UPS Ground.

• Anti-static packaging used to protect electronics.

WARRANTY:

• 30-Day Warranty.

• Warranty covers hardware failure only. We do not cover costs associated with programming or labor.