OBD Guide

B28A2

EyeSight Communication

B28A2 is an OBD-II diagnostic trouble code meaning: EyeSight Communication. Common causes: open or short circuit in wiring harness, poor contact in eyesight system connectors. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • EyeSight warning message on display
  • Disabling driver assistance functions
  • Check Engine Light Illuminated
  • Eyesight not available

Causes

  • Open or short circuit in wiring harness
  • Poor contact in EyeSight system connectors
  • Malfunction of one of the camera or radar modules
  • Problems with power supply of control modules
  • Software error in control module

How to Fix

  1. Diagnosing fault codes using a scanner
  2. Visual inspection of system wiring harnesses and connectors
  3. Checking power supply and grounding of modules
  4. Checking communication between modules using diagnostic equipment
  5. Replacing a faulty module or repairing wiring if necessary

Related codes

FAQ

What does the B28A2 code mean?

B28A2 is an OBD-II diagnostic trouble code that indicates: EyeSight Communication

What causes a B28A2 error code?

The most common causes of B28A2 include: Open or short circuit in wiring harness; Poor contact in EyeSight system connectors; Malfunction of one of the camera or radar modules; Problems with power supply of control modules.

How do I fix a B28A2 diagnostic trouble code?

To fix B28A2: Diagnosing fault codes using a scanner. Visual inspection of system wiring harnesses and connectors. Checking power supply and grounding of modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B28A2?

Limited driving only, diagnose soon

How much does it cost to fix B28A2?

The estimated repair cost for B28A2 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat