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Test Point 15 - Selector Lever Switch/Transmission

TEST POINT 15 - Selector lever switch/transmission (only for starting) - Fault code 38

Possible Causes, Elimination, Remarks

Tiptronic warning lamp comes on, transmission is in emergency mode.

Specification: Engine may be started in P or N positions only

Actual status: Engine may also be started in selector lever positions other than P and N
Detectable faults: Open circuit, short to ground, short to positive
Start possible, except P and N

1) Check adjustment of bowden cable to position switch.
- If required, run electrical test as described under Test point 12, item 4
- No start possible?

2) Pull off start relay G 20 in Central Electrical System
- Ground must only be present at relay base terminal 85 when the selector lever is set to P or N.
- Check wiring to position switch for short to ground.

3) Check position switch as described under Test point 12, item 4