The mode changes between ACCESSORY and ON, but it is difficult to change to OFF (KA/KC model) (2016 2017 2018 2019 2020)

Diagnostic procedure

• Check the keyless access/TPMS control unit
• Check the gauge control module
• Check the TCM

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