A6 Sedan V6-2.8L (AHA) (1998)
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Steering Wheel: Technical Service Bulletins
Steering Wheel - Does Not Heat Or Stay Warm
Group: 48
Number: 99-01
Date: May 3, 1999
Subject:
Steering Wheel, Does Not Heat Up or Does Not Stay Warm
Model(s):A6
1998-->1999
A8
1997-->1999
Condition
Steering wheel does not heat up or does not stay warm.
Service
Heated steering wheel, system description
^
NTC sensor (which measures ambient temperature) that is integrated into the control module (mounted inside the steering wheel).
^
A 4 wire plug (arrow -A-) on the control module connects a heating element and temperature sensor which are woven into the leather steering wheel
cover.
^
A 2 wire plug (arrow -B-) on the control module provides a ground (GND) wire and a power lead which is fused through the X-circuit.
^
A single wire (arrow -C-) from the driver's side heated seat switch connects to the control module (provides a signal to the control module).
When procedure applies to vehicles within the New Vehicle Limited Warranty, use the following:
Part Identifier:
4810
Labor Operation: 4810710
