OBD Guide
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B162A

Left Low Beam Control Circuit Short

B162A is an OBD-II diagnostic trouble code meaning: Left Low Beam Control Circuit Short. Common causes: wiring harness damage, relay fault. Estimated repair cost: $11–56.

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

Symptoms

  • Left low beam headlight does not work
  • Left low headlight flashing
  • Fuse blown
  • The malfunction indicator on the dashboard lights up

Causes

  • Wiring harness damage
  • Relay fault
  • Short circuit in the circuit
  • Oxidation of contacts
  • Control unit malfunction

How to Fix

  1. Check low beam fuse
  2. Inspect the wiring harness for damage
  3. Check relays and contacts
  4. Replace faulty components
  5. Reset the error and check the operation of the headlight

Related codes

B162BB1629B1628

FAQ

What does the B162A code mean?

B162A is an OBD-II diagnostic trouble code that indicates: Left Low Beam Control Circuit Short

What causes a B162A error code?

The most common causes of B162A include: Wiring harness damage; Relay fault; Short circuit in the circuit; Oxidation of contacts.

How do I fix a B162A diagnostic trouble code?

To fix B162A: Check low beam fuse. Inspect the wiring harness for damage. Check relays and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B162A?

Limited driving only, diagnose soon

How much does it cost to fix B162A?

The estimated repair cost for B162A is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat