ESP AUDI A4 1999 B5 / 1.G 01V Transmission Torque Tube Remove And Install Workshop Manual

01-272

- If there are no malfunctions found in the bus
wires, check whether one of the control modules
is responsible for a short circuit of the bus wires
to each other, to B+ or to Ground (GND).

Disconnect each of the control modules
connected via the bus wires one at a time and
check whether the malfunction "Hardware faulty"
has been eliminated.

If it was eliminated, replace the control module
that is currently disconnected. If malfunction was
not eliminated, re-connect that control module
and disconnect the next control module
connected via the bus wires.
Pa
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bus, function
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