Timeout on CAN message DM1 BMU
â–¶ How to fix
Check CAN2 wiring and BMU and its wake up from the on board charger.
What you'll see
DTC only
System reaction
Red warning lamp
Diagnostic depth
Detection
ECU indicating timeout on message DM1 from BMU.
Possible cause
The harness or connectors has open circuit or the message has not been transmitted by the BMU.