OBD Guide
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B162C

Left Low Beam Control Circuit High

B162C is an OBD-II diagnostic trouble code meaning: Left Low Beam Control Circuit High. Common causes: short circuit in wiring harness, faulty headlight relay. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Left low beam headlight does not work
  • Left low headlight flashing
  • Left headlight bulb burnout

Causes

  • Short circuit in wiring harness
  • Faulty headlight relay
  • Problems with the headlight control module (BCM)
  • Oxidation of contacts in the headlight circuit

How to Fix

  1. Check the condition of the left headlight bulb
  2. Inspect the wiring harness for damage
  3. Check relays and fuses
  4. Diagnose the headlight control module (BCM)

Related codes

B162DB162BB162A

FAQ

What does the B162C code mean?

B162C is an OBD-II diagnostic trouble code that indicates: Left Low Beam Control Circuit High

What causes a B162C error code?

The most common causes of B162C include: Short circuit in wiring harness; Faulty headlight relay; Problems with the headlight control module (BCM); Oxidation of contacts in the headlight circuit.

How do I fix a B162C diagnostic trouble code?

To fix B162C: Check the condition of the left headlight bulb. Inspect the wiring harness for damage. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B162C?

Limited driving only, diagnose soon

How much does it cost to fix B162C?

The estimated repair cost for B162C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat