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ABS/ASR Issues - '00 Z28

This is a discussion on ABS/ASR Issues - '00 Z28 within the General Help forums, part of the LSx Technical Help Section category; Right after I had a small accident (hood and bumper cover replaced, not much damage) a couple of months ago ...

  1. #1
    vroomvroom BLUCAS's Avatar
    Join Date
    Nov 2006
    00 Z28 & 84ish Mustang

    ABS/ASR Issues - '00 Z28

    Right after I had a small accident (hood and bumper cover replaced, not much damage) a couple of months ago my ASR/ABS/Brake lights starting coming on. It doesn't happen until after I've driven a few miles.

    I had the car scanned with a SOLUS and it came up with CO896 Device Voltage Range Performance and CO550 ECU/CCU Malfunction.

    I have visually inspected all the connection around the ABS Module, wheel sensors, and where the big wiring harness underneath the rear drivers side of the car and haven't found any loose connections. What's the problem? Do I need a new ABS module?

    BTW - car does have C5 wagon wheels on it, so they're different OD, but they've been on the car far longer than when this issue started. The issue started right after I put the car back on the road after the accident.

  2. #2
    Moderator Cutlass's Avatar
    Join Date
    Apr 2008
    Madison, WI

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    CO550 ECU/CCU Malfunction
    This code always means you need a new ABS module. I would start there.

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