OBD Guide

B2A2C

Right Corner Lamp Output Circuit Short To Ground

B2A2C is an OBD-II diagnostic trouble code meaning: Right Corner Lamp Output Circuit Short To Ground. Common causes: damage to the insulation of the power supply wires, short circuit in the corner headlight itself. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$11–56 (est.)

Symptoms

  • Right corner headlight does not work
  • Right corner headlight flashing
  • Light circuit fuse blown

Causes

  • Damage to the insulation of the power supply wires
  • Short circuit in the corner headlight itself
  • Damage to the wiring harness in the right wing area
  • Corrosion of contacts or connectors

How to Fix

  1. Check the right corner headlight circuit fuse
  2. Visually inspect wires and connectors for damage
  3. Check the resistance of the headlight power circuit
  4. If necessary, replace the headlight or repair the wiring harness
  5. Reset the error and check for reappearance

FAQ

What does the B2A2C code mean?

B2A2C is an OBD-II diagnostic trouble code that indicates: Right Corner Lamp Output Circuit Short To Ground

What causes a B2A2C error code?

The most common causes of B2A2C include: Damage to the insulation of the power supply wires; Short circuit in the corner headlight itself; Damage to the wiring harness in the right wing area; Corrosion of contacts or connectors.

How do I fix a B2A2C diagnostic trouble code?

To fix B2A2C: Check the right corner headlight circuit fuse. Visually inspect wires and connectors for damage. Check the resistance of the headlight power circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2A2C?

Do not drive — repair immediately

How much does it cost to fix B2A2C?

The estimated repair cost for B2A2C is $11–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat