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964 PDAS troubleshooting help

Old 01-03-2019, 12:55 PM
Thread Starter
Join Date: Nov 2010
Location: Round Rock, TX
Posts: 20

As noted in my original post I checked all items off the troubleshooting list. Additionally, we checked all the speed sensors, replaced the coils, and replaced some wiring harnesses(If I remember correctly they were speed sensor related). Ultimately, we rebuilt the ABS pump and bled the system and I had a perfectly functioning system with no more warning lights.

The frustrating thing about the whole process was even with a rebuilt ABS pump, if I hadn't done all the other things I might still be getting the error. The corroded wiring harness for example, was probably contributing to the issue. Everything has to be checked/replaced or the issue will persist.
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