Replaced ABS Module and wheel speed sensor - but still lots of warning lights on dash
12-21-2015, 04:28 PM
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Replaced ABS Module and wheel speed sensor - but still lots of warning lights on dash
Hello everyone!
I recently bought a 2004 Audi S4 6-speed manual, premium plus. It’s a great car, except when buying it I knew there would be a few issues. The biggest one by far is the issues I’ve been having with the wheel speed sensors.
I got all the signs that the ABS Module was bad and possibly the front left ABS/wheel speed sensor. So, I replaced both of these. I used a genuine VW/Audi ABS module that I ordered from ECS Tuning. I got a cheap after-market ABS Sensor. ABS Module: https://www.ecstuning.com/Audi-B6_S4...dule/ES447390/ (got it on sale last week for $300, nice!). And the sensor: https://www.ecstuning.com/Audi-B6_S4...cal/ES2807155/
So I replaced both of these following these instructions for the ABS Module:
I replaced everything, followed the steps using the Ross-Tech VAG-COM to do the coding, and I still have all the lights on the dashboard on. The Anti-roll, ABS, Brake, and Brake pad sensor are all on! Crazy! I can’t figure out why. I re-coded it twice, with no luck. My only theory is that the ABS Sensor I bought is a cheap-o, ****ty sensor. But I can’t be certain.
Before I replaced everything, the speedo was broken, the car lurched when shifting gears, and the warnings lights would come on intermittently. These problems are all gone and everything works mechanically, except for all the lights on the dash and I presume no ABS.
Thoughts?
TL;DR– Replaced ABS Module with VW/Audi part and front left wheel speed sensor with cheap one. Re-coded ABS Module to car. ABS/Brake/Brake Pad/ESC lights are all on. But speedo works and everything else mechanically.
I recently bought a 2004 Audi S4 6-speed manual, premium plus. It’s a great car, except when buying it I knew there would be a few issues. The biggest one by far is the issues I’ve been having with the wheel speed sensors.
I got all the signs that the ABS Module was bad and possibly the front left ABS/wheel speed sensor. So, I replaced both of these. I used a genuine VW/Audi ABS module that I ordered from ECS Tuning. I got a cheap after-market ABS Sensor. ABS Module: https://www.ecstuning.com/Audi-B6_S4...dule/ES447390/ (got it on sale last week for $300, nice!). And the sensor: https://www.ecstuning.com/Audi-B6_S4...cal/ES2807155/
So I replaced both of these following these instructions for the ABS Module:
I replaced everything, followed the steps using the Ross-Tech VAG-COM to do the coding, and I still have all the lights on the dashboard on. The Anti-roll, ABS, Brake, and Brake pad sensor are all on! Crazy! I can’t figure out why. I re-coded it twice, with no luck. My only theory is that the ABS Sensor I bought is a cheap-o, ****ty sensor. But I can’t be certain.
Before I replaced everything, the speedo was broken, the car lurched when shifting gears, and the warnings lights would come on intermittently. These problems are all gone and everything works mechanically, except for all the lights on the dash and I presume no ABS.
Thoughts?
TL;DR– Replaced ABS Module with VW/Audi part and front left wheel speed sensor with cheap one. Re-coded ABS Module to car. ABS/Brake/Brake Pad/ESC lights are all on. But speedo works and everything else mechanically.
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