Missing CAN-messages from BWE
â–¶ How to fix
1. Check the connector to the BWE-system 2. Check fuse for the BWE-system 3. Check the CAN-wires 4. Check the EOL-parameter settings in the ICL
What you'll see
No driver-visible symptom recorded.
System reaction
Yellow BWE notice activated
Diagnostic depth
Detection
ECU_BCI = 1 and no CAN026_MSG_BCI_BCSMSG1 received. 2 second startup grace period. Only stored when ignition is ON.
Possible cause
1. The BWE system is not connected to the CAN-bus 2. The BWE system fuse is blown