Home >> Land Rover >> 2021 >> Defender 110 S >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index Vehicles With: PHEV, DTC: Battery Charger Control Module (BCCM) -- Defender/L663 >> Diagnostic Trouble Code Index - Vehicles With: PHEV, DTC: Battery Charger Control Module (BCCM) (G2783598) >> Description And Operation >> Battery Charger Control Module (BCCM) - Plug-In Hybrid Electric Vehicle (PHEV) >> DTC P0A94-89: DC/DC Converter "A" Performance - Data transfer failure >> Possible Causes