OBD Guide

B2A2B

Left Corner Lamp Output Circuit Short To Ground

B2A2B is an OBD-II diagnostic trouble code meaning: Left Corner Lamp Output Circuit Short To Ground. Common causes: damage to the wire or wiring harness, short circuit in lamp socket. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Left corner lamp does not work
  • Flashing or random lighting of the lamp
  • Error message on the dashboard

Causes

  • Damage to the wire or wiring harness
  • Short circuit in lamp socket
  • Malfunction of the lamp itself
  • Problems in the lighting control unit

How to Fix

  1. Check the integrity of the lamp and its socket
  2. Inspect the wiring harness for damage
  3. Check the circuit resistance to ground
  4. If necessary, replace the lamp or wiring

Related codes

FAQ

What does the B2A2B code mean?

B2A2B is an OBD-II diagnostic trouble code that indicates: Left Corner Lamp Output Circuit Short To Ground

What causes a B2A2B error code?

The most common causes of B2A2B include: Damage to the wire or wiring harness; Short circuit in lamp socket; Malfunction of the lamp itself; Problems in the lighting control unit.

How do I fix a B2A2B diagnostic trouble code?

To fix B2A2B: Check the integrity of the lamp and its socket. Inspect the wiring harness for damage. Check the circuit resistance to ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2A2B?

Limited driving only, diagnose soon

How much does it cost to fix B2A2B?

The estimated repair cost for B2A2B is $11–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat