The mode changes between ACC and ON, but it is difficult to change to OFF (2014 2015 2016 2017)

Diagnostic procedure

• Check the keyless access control unit
• Check the gauge control module
• Check the park pin switch

Also check for

• Gauge control module
• Keyless access 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