DTC B1402-96: Dual Battery Fuse Box - Contactor 1 - Component internal failure: 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.
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the contactor 1 control circuit between the dual battery module and the dual battery junction box - Circuit reference CONTACTOR_1_CTRL, Circuit reference GND - Check connections are secure and wiring integrity
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the dual battery junction box circuits - Circuit reference FET_DIAGNOSTICS, Circuit reference GND - Check connections are secure and wiring integrity
- If no wiring/connector faults are found, check and install a new dual battery module. Run dual battery system diagnostic service routine. Clear the DTC and retest
- If fault persists, check and install a new dual battery junction box. Run dual battery system diagnostic service routine