2002 Chevrolet Avalanche Logo
Posted on Jan 28, 2011
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My ABS, Emerg Brake and Traction Control light all came on at the same time. Would this be a sensor, or what would the problem be?

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David Burbee

David Burbee

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  • Chevrolet Master 1,871 Answers
  • Posted on Jan 28, 2011
David Burbee
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Hello! There is a Technical Service Bulletin (TSB # 04-05-25-002D) that addresses this issue and may be the source of the fault...I say "maybe" without knowledge as to whether the TSB has been installed...It is a loss of communication with the Electronic Brake Control Module (EBCM)...This is caused by a poor ground connection to the EBCM...The ground connection is located on the frame beneath the drivers side door...If multiple grounds are found at this location, it is the heavy 12 gauge wire...Wire connector must be bare metal to bare metal and held in-place with a star washer...Tighten to 79 in/lbs...

If TSB has been installed a label will be located on the inside of the drivers door...Let me know if TSB has been installed...

Guru..............Saailer

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