OBD Guide
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B2A2A

Left Front Turn Lamp Circuit Short To Ground

B2A2A is an OBD-II diagnostic trouble code meaning: Left Front Turn Lamp Circuit Short To Ground. Common causes: damage to wire insulation, short circuit in lamp socket. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • Left front turn signal does not work
  • Turn signals flashing quickly
  • Turning chain fuse tripped
  • Error message on the dashboard

Causes

  • Damage to wire insulation
  • Short circuit in lamp socket
  • Malfunction of the lamp itself
  • Problems with turn relay
  • Contact corrosion
  • Mechanical damage to the wiring harness

How to Fix

  1. Check the condition of the lamp and its contacts
  2. Inspect the wiring harness for damage
  3. Test the circuit for a short circuit
  4. Check circuit resistance
  5. Replace damaged wires or contacts
  6. Check the operation of the turn signal relay
  7. Reset the error and check the system operation

Related codes

B2A29B2A2BB2A2C

FAQ

What does the B2A2A code mean?

B2A2A is an OBD-II diagnostic trouble code that indicates: Left Front Turn Lamp Circuit Short To Ground

What causes a B2A2A error code?

The most common causes of B2A2A include: Damage to wire insulation; Short circuit in lamp socket; Malfunction of the lamp itself; Problems with turn relay.

How do I fix a B2A2A diagnostic trouble code?

To fix B2A2A: Check the condition of the lamp and its contacts. Inspect the wiring harness for damage. Test the circuit for a short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2A2A?

Do not drive — repair immediately

How much does it cost to fix B2A2A?

The estimated repair cost for B2A2A is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat