DTC U0111-00: Communication Error With BECM/MAZDA M Hybrid Boost Battery

U0111:00 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with BECM/Mazda M Hybrid Boost battery
Detection condition	The dash-electrical supply unit cannot receive CAN signal from the BECM/Mazda M Hybrid Boost battery.
Fail-safe	The value of the data which is not received from the BECM/Mazda M Hybrid Boost battery is fixed at the specified value.
Possible cause	Malfunction in CAN communication line between BECM/Mazda M Hybrid Boost battery and dash-electrical supply unit NOTE: Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .)
Repeatability verification procedure	Not applicable
System wiring diagram	Not applicable