Code P091, Transaxle Range Switch Problem: Actions
PCM turns on SERVICE VEHICLE SOON light. PCM disables cruise control and will substitute gear status from transaxle pressure switch for transaxle range switch.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks PCM status light. AUTO should be displayed when gearshift is in Park or Neutral and OFF should be displayed if gearshift is in any other gear.
- Checks transaxle range switch for open.
- Checks circuit No. 451 for open.
- Checks circuit No. 434 for open.
- Checks if fault is still present.
- Checks for shorted transaxle range switch.
- Checks circuit No. 434 for short to ground.