ABS Light

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

ASEMASTER6371

MECHANIC
52,796 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

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