Selector Lever Position Indicator

Selector Lever Position Indicator:

Fault symptoms
Selector lever position indicator inoperative.

Condition
No diagnostic trouble code in the TCM. If there is a diagnostic trouble code in the TCM, see Automatic transmission, Fault diagnosis, diagnostic trouble code.

Diagnostic help
The lamps in the indicator display can be activated with the diagnostic tool.
- Select "Activate"
- Select the appropriate lamp.

The 4 inputs of the main instrument unit (A/B/C/PA) from the gear position sensor can be read using the diagnostic tool. For the different combinations for gear position, see Description and Operation/Warning and indicator Lamps, Trionic T7

Check the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.