OBD Guide

U05B3

Invalid Data Received From Comfort and Convenience Display B

U05B3 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Comfort and Convenience Display B. Common causes: comfort system display fault b, damage to the wiring harness to the display. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Incorrect display of information on the comfort display
  • Lack of response to pressing display buttons
  • Malfunctions of the climate control system
  • Spontaneous activation/deactivation of comfort functions

Causes

  • Comfort system display fault B
  • Damage to the wiring harness to the display
  • Poor contact in connectors
  • Control unit software error
  • Display power issues

How to Fix

  1. Check the connections and integrity of the wiring harness to the display
  2. Check power supply and display ground
  3. Scan the control unit for other errors
  4. Update control unit software
  5. Replace the comfort system display if necessary

Related codes

Error U05B3 by Vehicle Brand

FAQ

What does the U05B3 code mean?

U05B3 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Comfort and Convenience Display B

What causes a U05B3 error code?

The most common causes of U05B3 include: Comfort system display fault B; Damage to the wiring harness to the display; Poor contact in connectors; Control unit software error.

How do I fix a U05B3 diagnostic trouble code?

To fix U05B3: Check the connections and integrity of the wiring harness to the display. Check power supply and display ground. Scan the control unit for other errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U05B3?

Yes, but get it checked soon

How much does it cost to fix U05B3?

The estimated repair cost for U05B3 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat