DTC P0A1A-87: Generator Control Module - Missing message: Action
WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Check the installation of the startup battery terminal clamps. Rectify as necessary
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the generator high current circuit for open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new generator