OBD Guide
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B16CF

Left DRL Lamp Control Circuit

B16CF is an OBD-II diagnostic trouble code meaning: Left DRL Lamp Control Circuit. Common causes: broken wires, 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 DRL does not light up
  • Left DRL flashing
  • Dashboard warning

Causes

  • Broken wires
  • Relay fault
  • Burnt out lamp
  • Problems in the wiring harness
  • Control unit malfunction

How to Fix

  1. Check the integrity of the DRL lamp
  2. Check the control circuit for breaks
  3. Check relays and fuses
  4. Check wiring harness for damage
  5. Check the control unit for errors

Related codes

B16D0B16D1B16D2

FAQ

What does the B16CF code mean?

B16CF is an OBD-II diagnostic trouble code that indicates: Left DRL Lamp Control Circuit

What causes a B16CF error code?

The most common causes of B16CF include: Broken wires; Relay fault; Burnt out lamp; Problems in the wiring harness.

How do I fix a B16CF diagnostic trouble code?

To fix B16CF: Check the integrity of the DRL lamp. Check the control circuit for breaks. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B16CF?

Limited driving only, diagnose soon

How much does it cost to fix B16CF?

The estimated repair cost for B16CF is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat