The mode changes between ACCESSORY and ON, but it is difficult to change to OFF (LOCK) (2017 2018 2019)
Diagnostic procedure
- Check the keyless access/TPMS control unit
- Check the gauge control module
- Check the park pin switch
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
- Park pin switch
- P-PIN SW line open