ABS Light Due to Control Module Failure on Audi A4 Quattro

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

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Average mileage: 125,228 (57,000–217,000)
7 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004
30 people reported this problem
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problem details
1999 Audi A4 Quattro 135,000 mi,
shop wanted over $1100 to fix. Left it as is.
2004 Audi A4 Quattro 78,000 mi,
same problem. sometimes it turns on. i just restart the car and it goes away. wierd tho
2004 Audi A4 Quattro 110,000 mi,
speedometer needle inop but the ODO is working 1 speed sensor and module
2000 Audi A4 Quattro 217,000 mi,
replaced ABS module
1999 Audi A4 Quattro 154,000 mi,
ABS Brake lIghyt and Airbag light are on. Heard it was best to get a machanic to plug a scanner in to see if they can communictae with the ABS contro module if no then it should be replaced to fix the issue. Don't go to the dealer thou it's far cheaper to get a rebuilt one and have a trusted mechanic install it.
2000 Audi A4 Quattro 102,000 mi,
abs and brake warning light comes on
2004 Audi A4 Quattro 80,000 mi,
Whining noise from the front end while making a turn
1999 Audi A4 Quattro 172,580 mi,
burns oil needs snog hear creaking joints
ABS Light came on, I took the car to a local repair shop and they removed the Electronic Control Unit and sent it out to be rebuilt. The brakes still functioned, albeit without ABS, until the ECU was rebuilt and reinstalled. A $500 repair instead of $1500.
2000 Audi A4 Quattro 140,000 mi,
ABS control module failed. sent off for rebuild.