L8B2-14B227-AD – MHEV DC/DC Converter 48V 12V Jaguar Land Rover
The offered module with part number L8B214B227AD (YP/N 7342-9405) is an original DC/DC voltage converter used in Jaguar and Land Rover vehicles equipped with a 48V mild hybrid system. The unit is responsible for converting energy from the 48V system to the standard 12V network powering the vehicle’s electronics.
The part comes from dismantling, is tested and fully functional. An ideal solution in case of charging faults, MHEV system error messages, or lack of power supply to 12V circuits.
Application
- brand: Jaguar / Land Rover
- system: MHEV / 48V mild hybrid
- typical model years: approx. 2017 → newer (depending on version)
- engines: petrol and diesel units with 48V system
Part Numbers
Q&A
Does L8B2-14B227-AD fit every 48V hybrid Jaguar?
Compatibility depends on vehicle configuration and equipment. The part number must match the factory-installed module.
What is converter 7342-9405 responsible for?
It converts voltage from the 48V battery to 12V, enabling operation of standard consumers and control units.
I have DCDC L8B214B227AD in my car – is replacement plug & play?
In many cases yes, however some versions may require diagnostic initialization.
What are the symptoms of a faulty module 7342 9405?
Most commonly 12V charging failure, MHEV messages or unstable electronic power supply.
Must the number L8B214B227AD be identical?
Yes – matching part numbers is crucial for correct system operation.