Technical product information Transaction No.: 2019793/1
No drive, soft shift lock function in 7th gear - DSG, A3 (0AM gearbox) Release date: 23-Jan-2009
Customer statement / workshop findings
After a gear lever change the vehicle has no propulsion and the gear display in the dash insert flashes.
There are no entries and the customer complaint cannot be reproduced.
Technical background
The soft shift lock is a safety function to prevent the vehicle from pulling away unintentionally. It is activated, if the speed is under 3 km/h and the driver holds the gear lever for 0.5 seconds in the intermediate positions P-R, R-N and N-D without operating the brake. If the soft shift lock has been activated, the gear display of the affected gear flashes in the dash insert. The soft shift lock can be released by moving the gear lever to P or N. After selecting the driving mode (R, D, S) the vehicle can be driven again.
Production change
Measure
An activation of the soft shift lock can be reproduced with measured value block (MVB) 55 for the driver registration procedure. Read MVB 55 with the tester. If the soft shift lock is activated, a value over 0 is shown on bit 4 in display value 55/3 .
Example for display value 55/3:
0x0000
0 bit 1
X filler
0 bit 2
0 bit 3
0 bit 4 = soft shift lock
0 bit 5
If the soft shift lock has been activated by the customer, explain to him the incorrect operation and its effect.
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