A6 Quattro Wagon V6-3.0L (AVK) (2002)
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Shifter CVT: All Technical Service Bulletins
A/T - Tiptronic(R) Function Inoperative/DTC P1753
37 Tiptronic function inoperative (DTC P1753 in TCM)
37 10 07
2018638/4
June 15, 2010
Supersedes Technical Service Bulletin Group 37 number 09-06 dated August 5, 2009 for reasons listed below.
Affected Vehicles
Condition
^ Sporadically, the gear lever electronics become inoperative after switching on the headlight in the gearbox position S (Sport) or Manual (Tiptronic
gate). Symptoms are:
^
All segments of the gear display in the combination instrument are illuminated.
^
The manual Tiptronic function is inoperative.
^
DTC P1753 (Tiptronic Switch -F189- implausible signal) is stored in the transmission control module (TCM).
^ After switching the ignition off and on, all functions are operative.
^ The gear level electronics remain operative when the car is in Drive.
Technical Background
Switching on the headlights causes a low voltage, which leads to the failure of the diagnosis signal of the gear lever circuit board. The TCM recognizes a
fault in the gear lever electronics and stores DTC P1753.
Production Solution
---
Service
Install a new gear lever circuit board (4B0 713 243 E) according to the workshop manual.
