B11DB-87 Battery Monitoring Module A - Missing message: Action
- Check the integrity of the battery monitoring system control module connector and rectify as required
- Refer to the electrical circuit diagrams and check the power supply circuit between the battery positive terminal and the battery monitoring system control module for short circuit to ground, open circuit, high resistance. Repair circuit as required. Clear DTC and retest
- If fault persists, refer to the electrical circuit diagrams and check the LIN 1 bus circuit between the gateway module and the battery monitoring system control module for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required. Clear DTC and retest
- If the fault persists, install a new battery monitoring system control module as required