Delphi DCM3.5 ECU BG91-12A650-FHG – what to know
Unit BG91-12A650-FHG (Delphi 28459232) controls the 2.0 TDCi engine in Ford cars. We test every unit before sending it to the customer.
What happens after purchase
Once you have placed your order, send us the car’s VIN. We prepare the ECU with data from the Ford server and load the latest software – this service costs nothing extra.
The ECU is not plug & play. After fitting, the keys and VIN must be assigned in the PATS procedure using FORScan or Ford IDS. The warranty is 6 months.
Ford number and Delphi number
Both numbers on the label matter when you order:
- Ford number: BG91-12A650-FHG / BG9112A650FHG
- Delphi number: 28459232
- 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.
How to check compatibility
The safest way is to compare labels. If your ECU shows number BG91-12A650-FHG and number 28459232, it is the same version – whatever the Ford model and year, as this number may appear in different cars. If the sticker is hard to read or you have questions, send us a photo of it before buying.
Looking for a different number? See also: BG91-12A650-FJ (28284374), BG91-12A650-FJB (28362911), BG91-12A650-NG (28316190), BG91-12A650-FJE (28403832). The full list is in the Ford DCM3.5 ECU collection.
Our guide Ford DCM3.5 ECU replacement and VIN programming explains the replacement and programming, and the Delphi page tells you more about the manufacturer.
See also the other items in the Ford Engine Control Units (ECUs) category.
FAQ: Ford ECU BG91-12A650-FHG (28459232)
How do I know that BG91-12A650-FHG will fit?
Check the sticker on your ECU. If it shows BG91-12A650-FHG and 28459232, the numbers match. The car model and year alone are not enough, as this number may have been used in several Fords. You can also send us a photo of the label.
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Is ECU BG91-12A650-FHG plug & play?
No. After fitting, PATS programming is required – the keys and VIN are assigned with FORScan or Ford IDS.
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Is VIN preparation charged extra?
No, it is included in the price. Send us your VIN after purchase – we prepare the ECU with data from the Ford server and the latest software.
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What do I need to send after buying ECU BG91-12A650-FHG?
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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