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