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13-06-2020, 04:15 PM
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#1 | ||
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Starter Motor
Join Date: Jun 2020
Posts: 8
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I need to replace my ecu module, 4M5T 14B056 BF. It’s a 4 door sedan. Is one ending in BJ compatible? It’s possibly from a hatch. I know that I’ll have to get it reprogrammed to my car, but will it work?
Cheers |
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14-06-2020, 08:55 AM
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#2 | ||
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Chairman & Administrator
  
Join Date: Dec 2004
Location: 1975
Posts: 107,320
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Are you replacing the ECU or the RCM?
__________________
 Observatio Facta Rotae
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14-06-2020, 10:36 AM
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#3 | ||
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Starter Motor
Join Date: Jun 2020
Posts: 8
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I’ve been assured it’s called the airbag ecu, or module. it’s located under the armrest, below the handbrake.
Cheers |
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15-06-2020, 08:08 AM
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#4 | ||
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Starter Motor
Join Date: Jun 2020
Posts: 8
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GT, Airbag Control Module is the name on the part. I’ve looked on eBay for the part that you provided and it’s a rcm for a 1.8, my Focus is a 2.0. The shape looks the same. I’ve lined up a BJ locally, so I think I’ll have a talk with the reprogramming guys.
Also, I have the lift up armrest... any idea how to remove the lid. There must be a simple trick, but I can’t get it. Cheers |
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15-06-2020, 05:27 PM
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#5 | ||
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Starter Motor
Join Date: Jun 2020
Posts: 8
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All, thanks for your assistance.
I have replaced the airbag ecu today. The one I got had BJ instead of BF at the end of the part number. I followed the rules, removed battery cable, waited 30 minutes and replaced the ecu. Importantly, it’s a ‘plug and play’ change over. No need to be reprogrammed which was a bonus. No airbag fault light anymore. |
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15-06-2020, 06:21 PM
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#6 | ||
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DIY Tragic
Join Date: Apr 2018
Location: Sydney, more than not. I hate it.
Posts: 22,506
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That’s good, but maybe test the airbags to be sure?
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15-06-2020, 06:43 PM
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#7 | ||
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Starter Motor
Join Date: Jun 2020
Posts: 8
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I had an auto elect. run a diagnostic check and the system checked out. The old ecu was definitely faulty.
Cheers |
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Ford Focus 2005 LX seat belt ECU
Hybrid Mode