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ABS sensor fault

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Old 04-15-2018, 03:44 PM
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Default ABS sensor fault

Long story short, wheel bearing went bad of right front and I replaced it.

As soon as everything was buttoned up I took it for a test. now TPMS, ABS, parking break maulfunction, and ESP off are all beeping or shut off.

MaxiPRO diagnostic tool points to the right front ABS sensor. When driving all wheel speeds show correct except RF which reads 0.

I put in a new sensor and nothing changed. still not recognized
I checked all the wiring available for view inside the wheel well and there were no cuts or breaks, and all connections felt secure.

I could have been doing this wrong but volt meter that connects to sensor shows ~13v when ignition is on. and both sensors (new and old RF) show same resistance rating. This could also be the wrong way to check it as well.

All i can think is that I put something together wrong in the hub or used too much aluminum anti-seize and now the sensor cant read it. or something is wrong with the module.

I wouldnt assume the module because there was never and issue until i replace the wheel bearing.

Im stumped. let me know if any of you have any ideas

Thanks
Old 04-15-2018, 03:46 PM
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Car model: 2011 A6 quattro

not sure which side of model change.
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