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Parking Brake, ABS, ESP error Simultaaneously

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Old 04-16-2017, 10:52 PM
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Default Parking Brake, ABS, ESP error Simultaaneously

All the above warning lights come on while driving and car goes into limp mode. If i switch of the car the and restart everything resets and back to normal for another 10KM or so.

VCDS monitoring shows a spike in voltage to 17V just before the error and the battery stops charging.

What could be wrong
Old 04-16-2017, 10:53 PM
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Originally Posted by alexmwaniki
All the above warning lights come on while driving and car goes into limp mode. If i switch of the car the and restart everything resets and back to normal for another 10KM or so.

VCDS monitoring shows a spike in voltage to 17V just before the error and the battery stops charging.

What could be wrong
The car is an 2006 audi A6 C6 Sedan
Old 04-22-2017, 10:10 AM
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Wrong forum for your car, but frequently voltage spikes and charging issues may be due to some of the alternator diodes being fried. Intermittent problems for awhile until the alternator dies. Then you pray that you can make it home on battery before it's discharged.
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