OBD Guide

U05B8

Invalid Data Received From Rear Radar Module B

U05B8 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Rear Radar Module B. Common causes: rear radar b malfunction, wiring harness damage. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Parking assistance systems do not work
  • Error on the dashboard
  • Blind spot system does not function
  • False alarms of security systems

Causes

  • Rear Radar B Malfunction
  • Wiring harness damage
  • Poor contact in connectors
  • Module software error
  • Mechanical damage to the radar

How to Fix

  1. Check the integrity of the radar
  2. Inspect the wiring harness and connectors
  3. Carry out module diagnostics
  4. Update software
  5. Repair only from an authorized dealer

Related codes

Error U05B8 by Vehicle Brand

FAQ

What does the U05B8 code mean?

U05B8 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Rear Radar Module B

What causes a U05B8 error code?

The most common causes of U05B8 include: Rear Radar B Malfunction; Wiring harness damage; Poor contact in connectors; Module software error.

How do I fix a U05B8 diagnostic trouble code?

To fix U05B8: Check the integrity of the radar. Inspect the wiring harness and connectors. Carry out module diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U05B8?

Do not drive — repair immediately

How much does it cost to fix U05B8?

The estimated repair cost for U05B8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat