U0338

Software Incompatibility With Remote Function Actuation Module

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

~$167 (est.)

Symptoms

Problems with the remote engine start
Incorrect operation of comfort functions (heating, climate control)
Error message on the dashboard
Limitation of remote control functionality
Periodic failures in the operation of electronic systems

Causes

Outdated module software
Error when flashing the control unit
Data corruption in module memory
Incompatibility after module replacement
Problems with software updates via OTA

How to Fix

Check that the software versions of all related modules are up to date
Reflash problematic modules
Reset the error and check for its reappearance
Check the integrity of the wiring harness between the modules
Contact your dealer for hardware diagnostics

Related codes

U0337 U0339 U0340