DTC U0140: Lost Communication With Body Control Module

DTC detecting condition: 

When the following conditions are all met.

• Battery voltage remains at 10 V or more for 1 second or more.
• CAN bus is not in sleep state.
• The mode is not switched to the CAN transmission stop mode.
• When any of the following conditions is met in any reception ID of body integrated unit for the period of [transmission cycle time (ms) x 40 (frame)] continuously.

• Reception has not been successful.
• Message length of reception ID is shorter than communication software defined length.
• Message length of reception ID is longer than 8.