U2108
Lost Communication With Electronic Brake Control Module
U2108 is an OBD-II diagnostic trouble code meaning: Lost Communication With Electronic Brake Control Module. Common causes: broken or damaged wires in the harness, poor contact in module connectors. Estimated repair cost: $56–278.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- Disabling the ABS system
- Loss of electronic stabilization functions
- Assistive braking systems do not work
- Other related errors may appear
Causes
- Broken or damaged wires in the harness
- Poor contact in module connectors
- Brake control module malfunction
- Module power problems
- Software failure in the ECU
How to Fix
- Check the integrity of the wiring harness to the module
- Inspect and clean the connector contacts
- Check fuses and relays associated with the module
- Test the power supply and ground of the module
- If necessary, replace the brake control module
Related codes
FAQ
What does the U2108 code mean?
U2108 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Electronic Brake Control Module
What causes a U2108 error code?
The most common causes of U2108 include: Broken or damaged wires in the harness; Poor contact in module connectors; Brake control module malfunction; Module power problems.
How do I fix a U2108 diagnostic trouble code?
To fix U2108: Check the integrity of the wiring harness to the module. Inspect and clean the connector contacts. Check fuses and relays associated with the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2108?
Limited driving only, diagnose soon
How much does it cost to fix U2108?
The estimated repair cost for U2108 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat