DTC P0C40-4B: DC/DC Converter Temperature Sensor "B" High - Over temperature: Action
- Check the integrity of the cooling system. Rectify as necessary
- Using the JLR
approved diagnostic equipment, run application - ECU Diagnostics/Battery Charger Control Module (BCCM)/Clear Diagnostic Trouble Code(s). Retest. If the fault persists, raise a TA
:
- Attach the Pathfinder session file using 'Pathfinder Sessions'
- Use the DTC
as a reference number in the Customer Comments field
- Describe primary and secondary diagnostics completed