A6 Quattro Sedan V6-3.2L (BKH) (2005)
Neutral Safety Switch: Customer Interest
A/T - Can't Remove Key From Ign./Can't Lock Vehicle
37 Ignition key cannot be removed when transmission is in park or cannot lock vehicle
37 09 17
2010094/9
December 2, 2009.
Supersedes Technical Service Bulletin Group 37 number 09-10 dated August 19, 2009 for reasons listed below.
Affected Vehicles
Condition
^ The ignition key cannot be removed from the switch, despite selecting shift position P.
^ Or, if equipped with advanced key system, the vehicle cannot be locked by remote control after exiting.
^ DTC 00230 (Switch for gearbox position P-F305, disruption/short circuit to positive/ground, sporadic) may be logged in the 05-vehicle authorization
system.
Technical Background
The selector lever adjustment P sporadically is not recognized. Therefore, the ignition key cannot be removed from the switch or the locking of the
vehicle is prevented.
Production Solution
^ Modified selector mechanism from VIN 4F_5N037400.
^ In MY 06, unit selector mechanism introduced from VIN 4F_6N116844.
Service
1. Check for other DTCs that may be logged in other control units, such as ABS, vehicle authorization system, engine, gearbox, etc. Address any DTCs
according to Guided Fault Finding.
Note:
Lubricants and oils can contaminate the micro switches (F305) and lead to long-term damage. Do not apply lubricants such as silicon oil to the gearshift
housing, even if the gearshift housing appears to be stiff.