U2100

Initial Configuration Not Complete

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

~$167 (est.)

Symptoms

Check Engine Light Is On
Engine power limitation
Problems starting the engine
Malfunctions of electronic systems
Some car functions do not work

Causes

The learning procedure is not completed after replacing the ECU
Failure when flashing the control unit
Problems with ECU power supply
Lost communication between the ECU and other modules
Software failure in the ECU

How to Fix

Check the condition of the battery and connections
Perform the initialization procedure using the diagnostic scanner
Check for ECU firmware updates
If necessary, flash the ECU
Check the integrity of wire harnesses and connectors

Related codes

U0100 U0121 U0140