OBD Guide

B3106

Keyless Entry Data Link

B3106 is an OBD-II diagnostic trouble code meaning: Keyless Entry Data Link. Common causes: broken or damaged wiring harness, poor contact in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Keyless entry system does not work
  • Check Engine light comes on
  • Problems with starting the engine with a button

Causes

  • Broken or damaged wiring harness
  • Poor contact in connectors
  • Keyless entry module malfunction
  • Problems with the body control module

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect and clean connector contacts
  3. Check the power and ground of the keyless entry module
  4. Scan other modules for errors
  5. If necessary, replace the keyless entry module

Related codes

Error B3106 by Vehicle Brand

FAQ

What does the B3106 code mean?

B3106 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Data Link

What causes a B3106 error code?

The most common causes of B3106 include: Broken or damaged wiring harness; Poor contact in connectors; Keyless entry module malfunction; Problems with the body control module.

How do I fix a B3106 diagnostic trouble code?

To fix B3106: Check the integrity of the wiring harness. Inspect and clean connector contacts. Check the power and ground of the keyless entry module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3106?

Limited driving only, diagnose soon

How much does it cost to fix B3106?

The estimated repair cost for B3106 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat