Description
Defender DC/DC Converter Replacement Service
Genuine Land Rover MHEV 48V to 12V DC-DC Converter
Defender Retrofit can no offer same day replacement service,
Fix the ‘Charging System Fault’ warning and dead 12V battery in your Land Rover MHEV with this genuine 48V to 12V DC-DC Converter. Direct OEM replacement restores vehicle charging system.
What we offer:
Check DTC’s
Replace the DC/DC Converter Module – Genuine LR Part – Brand New
Clear any DTC Codes
Road Test
LR Main dealer lead time are on back order for this service, The part is limited stock but we have secured stock so we can offer this service quicker. If your defender is out of warranty then we can help get you back on the road faster.
This vital component acts as the alternator in your MHEV system, converting power from the 48V hybrid battery to charge the main 12V battery and run the vehicle’s electronics. When it fails, the 12V battery is no longer charged, leading to a rapid loss of power and eventual shutdown.
Common Failure Symptoms This Part Solves:
- “Charging System Fault” warning message
- Red battery light on the instrument cluster
- 12V battery constantly needing a jump start or dying
- Widespread electrical issues (dimming lights, infotainment glitches)
- Auto Start/Stop system is unavailable
Product Details:
- Part Name: DC-DC Converter / Generator Control Module (GCM)
- Function: Charges the 12V battery in MHEV systems
- Condition: New, Genuine JLR OEM




Reviews
There are no reviews yet.