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ABS Light

Tiny
MUSTANG63
  • MEMBER
  • 2005 FORD F-150
  • 98,000 MILES
Brakes pulsate when coming to a stop. Replaced brakes, rotors, and brake lines, code c1266 abs valve power relay circuit failure. What does this mean and where is it located.
Wednesday, August 1st, 2012 AT 9:12 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
This means there is a wiring or issue with the ABS control module. Here is a wiring diagram of the system and a guide to help you do some easy testing.

https://www.2carpros.com/articles/how-to-check-wiring

If the wiring is okay and the module is proven to be bad here is a guide that will give you an idea of what you are in for when changing the unit out.

https://www.2carpros.com/articles/how-to-replace-a-abs-controller

Here is how to scan for codes for the people that don't know

https://youtu.be/rTtAnsOlZU4

(The ABS wiring diagrams and module and sensor location are below)

Please let us know what you find.

Cheers
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Saturday, March 13th, 2021 AT 12:04 PM
Tiny
MUSTANG63
  • MEMBER
  • 2 POSTS
Thank you so much! I did the tests you had me do and it was the module that was out I replaced it and the problem is fixed. I love this site! Thanks 2Carpros :)
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Saturday, March 13th, 2021 AT 12:04 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,642 POSTS
Nice work, we are here to help, please use 2CarPros anytime.

Cheers, Ken
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Saturday, March 13th, 2021 AT 12:04 PM

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