BG91-12A650-NJ / 28334089 – Ford 2.0 TDCi engine control unit
We offer an ECU from the Delphi DCM3.5 family, marked with Ford number BG91-12A650-NJ and Delphi number 28334089. It was fitted to Fords with the 2.0 TDCi engine. Before we ship the ECU, we check that it works.
PATS programming and VIN preparation
- VIN preparation included: data from the Ford server and the latest software.
- You send us the VIN after purchase.
- PATS programming (keys + VIN) with FORScan or Ford IDS is required after fitting – the ECU is not plug & play.
- Warranty: 6 months.
Choose by number, not by model
Fords with the 2.0 TDCi engine used many versions of the DCM3.5 ECU, and one version could go into several models. That is why you should choose the ECU by its numbers only: Ford BG91-12A650-NJ and Delphi 28334089 must match your unit. If in doubt, send us a photo of the label before ordering.
Typical symptoms of a faulty DCM3.5 ECU
A damaged ECU can stop the engine from starting because the injectors receive no signal. The tester then cannot connect to the unit, and a measurement may show no power at the ECU despite good fuses. The failure can follow water ingress or a short circuit in the wiring.
The same symptoms can, however, come from a fault in the harness, power supply or sensors, so run a diagnosis before you buy an ECU.
Numbers on the label
- Ford number: BG91-12A650-NJ / BG9112A650NJ
- Delphi number: 28334089
- ECU type: Delphi DCM3.5
Before fitting, it is worth reading our guide Ford DCM3.5 ECU replacement and VIN programming. If your ECU has a different number, check BG91-12A650-PC (28316165), BG91-12A650-PE (28298209), BG91-12A650-PF (28306974), BG91-12A650-PJ (28334092) or the whole Ford DCM3.5 ECU collection. About the manufacturer: Delphi.
Full range in this group: Ford Engine Control Units (ECUs).
Questions and answers – ECU BG91-12A650-NJ
How do I know that BG91-12A650-NJ will fit?
Check the sticker on your ECU. If it shows BG91-12A650-NJ and 28334089, 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 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 is the warranty on ECU BG91-12A650-NJ?
The warranty is 6 months. We test every unit before dispatch.
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Why give the VIN after ordering?
The VIN lets us prepare the ECU for your car with data from the Ford server and the latest software. The service is included in the price.
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