The mode changes between ACC and ON, but it is difficult to change to OFF (2016 2017 2018 2019 2020)
Diagnostic procedure
- Check the keyless access/TPMS control unit
- Check the gauge control module
- Check the TCM
- Check the SBW shifter control module
Also check for
- Gauge control module
- Keyless access/TPMS control unit
- PCM
- B-CAN communication line open/short
- F-CAN communication line open/short
- Speed signal line open
- TCM
- SBW shifter control module