OBD Guide

U02BE

Lost Communication With Trailer Backup Assist Control Module

U02BE is an OBD-II diagnostic trouble code meaning: Lost Communication With Trailer Backup Assist Control Module. Common causes: broken or damaged wires in the communication circuit, problems with module power supply (blown fuse). Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • The trailer assist system does not work
  • Error message on the instrument panel
  • The rear trailer camera does not function
  • The system does not respond to trailer connection

Causes

  • Broken or damaged wires in the communication circuit
  • Problems with module power supply (blown fuse)
  • Assistance control module malfunction
  • Poor contact in connectors
  • Software error in the module

How to Fix

  1. Check fuses associated with the system
  2. Inspect the wiring harness for damage
  3. Check module connector connections
  4. Scan the module for additional errors
  5. If necessary, replace the trailer assist module

Related codes

Error U02BE by Vehicle Brand

FAQ

What does the U02BE code mean?

U02BE is an OBD-II diagnostic trouble code that indicates: Lost Communication With Trailer Backup Assist Control Module

What causes a U02BE error code?

The most common causes of U02BE include: Broken or damaged wires in the communication circuit; Problems with module power supply (blown fuse); Assistance control module malfunction; Poor contact in connectors.

How do I fix a U02BE diagnostic trouble code?

To fix U02BE: Check fuses associated with the system. Inspect the wiring harness for damage. Check module connector connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U02BE?

Yes, but get it checked soon

How much does it cost to fix U02BE?

The estimated repair cost for U02BE is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat