How to choose ECU AG91-12A650-ABF for your Ford
This is a Delphi DCM3.5 engine control unit with Ford number AG91-12A650-ABF and number 28270053, used in Ford vehicles with the 2.0 TDCi engine. The unit is tested before dispatch.
Numbers to compare with your label
The housing of the original ECU carries a sticker with its numbers. On this unit they are:
- Ford number: AG91-12A650-ABF / AG9112A650ABF
- Delphi number: 28270053
- ECU type: Delphi DCM3.5
Symptoms that may point to an ECU failure
- Diagnostics cannot connect to the ECU.
- The engine will not fire, the injectors get no signal.
- The fault appeared after water got in or after a short in the harness.
- The ECU has no power despite working fuses.
Keep in mind that the cause may also be the wiring, the power supply or a sensor. Diagnose first, then buy.
Does this ECU fit your car?
Model and year are not enough, because the same number AG91-12A650-ABF may have been fitted to several Ford models. Look at the label of your ECU and check that it shows AG91-12A650-ABF and 28270053. Not sure? Send us a photo of the sticker and we will check it before you buy.
Fitting step by step
- After purchase, you send us the VIN.
- We prepare the ECU with data from the Ford server and the latest software – included in the price.
- You fit the ECU in the car.
- You carry out PATS programming (keys and VIN) with FORScan or Ford IDS, or have a workshop do it.
Warranty on the ECU: 6 months.
We describe the replacement and programming in our guide Ford DCM3.5 ECU replacement and VIN programming. Other numbers are in the Ford DCM3.5 ECU collection, and more about the manufacturer on the Delphi page.
Other DCM3.5 ECUs in our range: AG91-12A650-ABG (28278426), AG91-12A650-ACF (28270056), AG91-12A650-ADF (28270059), AG91-12A650-ADG (28278433).
Full range in this group: Ford Engine Control Units (ECUs).
Questions and answers – ECU AG91-12A650-ABF
Can I just fit ECU AG9112A650ABF and start the car?
No. The ECU is not plug & play – after fitting, PATS programming is needed, which means assigning the keys and VIN with FORScan or Ford IDS.
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How much does matching the ECU to my VIN cost?
Nothing – the service is included in the price. Give us your VIN after purchase and we prepare the ECU with data from the Ford server and load the latest software.
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Who carries out PATS programming of ECU AG91-12A650-ABF?
You can do it yourself with FORScan and a suitable interface or with Ford IDS. If you do not have these tools, a workshop that services Fords can do the PATS programming.
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What do I need to send after buying ECU AG91-12A650-ABF?
Just your Ford’s VIN. Based on it, we prepare the ECU with data from the Ford server and the latest software.
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