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2005 Chevy Trailblazer ABS light.

Tiny
NEWELLER2003
  • MEMBER
  • 2005 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
ABS and Brake light on on the dash. C0055 is the code. Warning lights are on all the time. Speedometer works fine. Swapped the 2 rear speed sensors from side to side. Read elsewhere that 4WD warning comes on instead. Ohmed out both speed sensors and 1.3K ohms. Could it be the ignition switch or the EBCM?
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Wednesday, April 7th, 2010 AT 12:18 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It sounds like you may have a wheel speed sensor that is out. These videos will help us find the problem.

https://youtu.be/rTtAnsOlZU4

and

https://youtu.be/Pb6nXV-iamI

and

https://youtu.be/ANWVTh2RQoQ

Please run down these guides and report back.
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Saturday, February 27th, 2021 AT 1:36 PM
Tiny
NEWELLER2003
  • MEMBER
  • 2 POSTS
Left rear wheel speed was out I got a new one all fixed
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Saturday, February 27th, 2021 AT 1:37 PM

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