DTC U1140: Lost Communication With Body Control Module Body-Can

DTC detecting condition: 

Detected when CAN data from body integrated unit (headlight ON signal) does not arrive.

Failure detection pattern: 

• "Primary" (high-priority diagnosis)

Warning light/indicator light: 

• Auto headlight beam leveler warning light -
• SRH warning light -
• ADB warning light -
• LED open circuit detection signal -