DTC B11DB-87: Battery Monitoring Module "A" - Missing message: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If DTC B11DB-87 is flagged but a "charge system fault" warning/light is not present on the instrument cluster, then the likelihood is that the battery monitoring system control module is NOT the faulty part. If this DTC is logged, follow the diagnostic steps detailed in the Battery Diagnosis and Testing BEFORE replacing the battery monitoring system control module
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the connection between the battery monitoring system control module and the battery
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the LIN bus circuit between the gateway module and the battery monitoring system control module for circuit fault. Clear the DTC and retest
- If the problem persists, check and install new battery monitoring system control module as required