OBD Guide

B2A2E

Right Front Lamp Low Beam Circuit Open

B2A2E is an OBD-II diagnostic trouble code meaning: Right Front Lamp Low Beam Circuit Open. Common causes: burnt out lamp, oxidized or damaged contacts in connectors. Estimated repair cost: $6–56.

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

Symptoms

  • The low beam of the right headlight does not work
  • External lighting fault warning on instrument panel
  • Activating the emergency mode of headlights (if provided)

Causes

  • Burnt out lamp
  • Oxidized or damaged contacts in connectors
  • Broken wire in the harness
  • Faulty headlight relay
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the lamp for integrity of the filament
  2. Inspect connectors and contacts for corrosion/damage
  3. Test the circuit with a multimeter from the lamp to the BCM
  4. Check power to headlight relay
  5. Scan BCM for additional errors

Related codes

FAQ

What does the B2A2E code mean?

B2A2E is an OBD-II diagnostic trouble code that indicates: Right Front Lamp Low Beam Circuit Open

What causes a B2A2E error code?

The most common causes of B2A2E include: Burnt out lamp; Oxidized or damaged contacts in connectors; Broken wire in the harness; Faulty headlight relay.

How do I fix a B2A2E diagnostic trouble code?

To fix B2A2E: Check the lamp for integrity of the filament. Inspect connectors and contacts for corrosion/damage. Test the circuit with a multimeter from the lamp to the BCM. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2A2E?

Limited driving only, diagnose soon

How much does it cost to fix B2A2E?

The estimated repair cost for B2A2E is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat