U0156 — KVM / RFA communication fault
Range Rover/Jaguar diagnostic code. Below: what it means, common causes, symptoms, and the exact bench-programming fix path.
Common causes
- •Failed KVM/RFA module
- •CAN-bus wiring fault to KVM
- •Used donor KVM not virginized
- •EEPROM corruption from failed update
Symptoms you'll see
- •All keyless functions dead
- •Smart-key not recognized
- •Engine won't start
- •Multiple secondary fault codes
The fix path
For module replacement: KVM/RFA Virginize ($300) pairs a donor to your VIN. For all-keys-lost: Range Rover / Jaguar Key Programming ($550) cuts + programs a fresh key.
AML services that fix this
Mail in the affected module, we bench-program, ship back next business day. Flat pricing, return shipping included.
Range Rover / Jaguar Key Programming
$550All-keys-lost or add-key for 2010-2025 Range Rover, Land Rover, and Jaguar — mail-in programming.
Service detailsJaguar / Land Rover KVM/RFA Virginize
$300Used KVM or RFA module needs to be virgin? Ship it in — we wipe it clean and ready to pair to your VIN.
Service detailsBrand deep-dive
All Range Rover / Jaguar services + chassis coverage
Skip the per-service hunt — see every Range Rover / Jaguar module we program in one page.
Related diagnostic codes
All keys lostRange Rover / Land Rover / Jaguar all keys lostCrank-no-startEngine cranks normally but won't startAll keys lostNo working key for a European vehicleUsed module pairing failureUsed donor module won't accept new VINLand Rover Discovery 3 no startDiscovery 3 (LR3) won't crank or startRange Rover L322 no startRange Rover L322 crank-no-startNot sure which service applies?
Text us your year/make/model + which scanner caught the code — we'll tell you exactly which module to ship and which service to pick.