U3035

Communication Authentication Signal Invalid Data

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Limitation of functionality of electronic systems
Error message on the dashboard
Problems starting the engine
Unstable operation of the multimedia system

Causes

Module software mismatch
Wiring harness damage
Problems with the control unit
Incorrect flashing of electronic modules
Errors after replacing electronic components

How to Fix

Check the wiring harness for damage
Diagnostics of control units
Software update for all modules
Checking the compatibility of replaced components
Repair only from an authorized dealer

Related codes

U3000 U3001 U3034