OBD Guide
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B2A29

Left Front Turn Lamp Circuit Open

B2A29 is an OBD-II diagnostic trouble code meaning: Left Front Turn Lamp Circuit Open. Common causes: broken or damaged wiring harness, burnt out turn signal lamp. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Left front turn signal does not work
  • The turn signals flash faster than usual
  • Error message on the dashboard

Causes

  • Broken or damaged wiring harness
  • Burnt out turn signal lamp
  • Oxidation or poor contact in the connector
  • Faulty turn signal relay
  • Problems with the control unit

How to Fix

  1. Check the condition of the turn signal lamp
  2. Inspect the wiring harness for damage
  3. Check the contacts in the lamp and relay connector
  4. Replace faulty components (lamp, relay, harness)
  5. Test the operation of the turn signal after repair

Related codes

B2A28B2A30B2A31

FAQ

What does the B2A29 code mean?

B2A29 is an OBD-II diagnostic trouble code that indicates: Left Front Turn Lamp Circuit Open

What causes a B2A29 error code?

The most common causes of B2A29 include: Broken or damaged wiring harness; Burnt out turn signal lamp; Oxidation or poor contact in the connector; Faulty turn signal relay.

How do I fix a B2A29 diagnostic trouble code?

To fix B2A29: Check the condition of the turn signal lamp. Inspect the wiring harness for damage. Check the contacts in the lamp and relay connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2A29?

Limited driving only, diagnose soon

How much does it cost to fix B2A29?

The estimated repair cost for B2A29 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat