Land Rover U0151-31 Guide

Based on the diagnostic trouble code (DTC) , this typically indicates a communication issue between the vehicle’s modules.

Failed RCM module, damaged CAN bus wiring, water intrusion, or power/ground issue. land rover u0151-31

Lost communication with airbag control module (RCM). Signal invalid. Based on the diagnostic trouble code (DTC) ,

Diagnose network wiring to RCM. Check for corrosion. Replace RCM and reprogram if needed. Signal invalid

Airbag system disabled. SRS light on. No airbag deployment in a crash.

Your Land Rover’s computer has lost communication with the Restraints Control Module (RCM) – the brain that controls the airbags and seatbelt pretensioners. The “-31” means the signal it is receiving is incomplete or invalid.

Here is a draft text you could use for a repair order, a diagnostic summary, or a customer explanation. Vehicle: Land Rover [Insert Model, e.g., Range Rover / Discovery / Evoque] DTC: U0151-31 Description: Lost Communication with Restraints Control Module (RCM) – Signal Invalid