U0549

Invalid Data Received From Remote Accessory Module

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Some functions of additional equipment do not work
Error message on the instrument panel display
Intermittent operation of electrical accessories
False alarms of vehicle systems

Causes

Remote Option Module Fault
Problems with module wiring or connectors
Module software mismatch
Short circuit in the module circuit
Problems with the CAN network

How to Fix

Check the connection and condition of the module connectors
Check the integrity of the wiring to the module
Read module error codes using an additional scanner
Update or reflash module software
Replace the faulty accessory module

Related codes

U0550 U0548 B1382