A8L Quattro Sedan V8-4.2L (AKB) (2002)
Relevance of figures in 4-digit readout in display field 2
Display Group 066
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Allow brake pedal to return slowly to its normal position.
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Both readouts should return from 1 to 0.
If one or both of the displays does not change from 0 to 1:
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Test voltage supply.
Checking voltage supply
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Remove storage compartment on driver's side.