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BCM replacement

Tiny
WALTPRC
  • MEMBER
  • 2012 FORD FOCUS
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 86,000 MILES
I have 2012 Focus that was diagnosed with a bad BCM and have tried 3 new ones from the ford dealer and none of them will communicate with the PCM and the man that flashes the my computers for me says that as long as my Maximus scanner will not communicate with the PCM he can not flash the BCM due to the fact the PCM is the gateway module to the BCM.
The car came to me with the windshield wipers not working and with the original BCM in it I can communicate with the PCM so that tells me the wiring is good but as soon as I put in the new BCM's I got from the dealer I have no communication with the PCM.
Also with the original BCM in the car the Maximus scanner will communicate with 21 modules and with the new BCM's in it the Maximus will will communicate with 11.
Any ideas on what to look do next.
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Thursday, January 28th, 2016 AT 12:55 PM

2 Replies

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Why not just have the dealer program it for you?
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Thursday, January 28th, 2016 AT 12:58 PM
Tiny
WALTPRC
  • MEMBER
  • 2 POSTS
I was hoping someone could confirm or deny what my flasher told me before I tow it to the dealer and then have to wait a week to get it back.
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Thursday, January 28th, 2016 AT 1:57 PM

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