OBD Guide

B160F

Twilight/Ambient Light Sensor

B160F is an OBD-II diagnostic trouble code meaning: Twilight/Ambient Light Sensor. Common causes: light sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–56.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Automatic headlights do not turn on in the dark
  • Headlights stay on during the day
  • Incorrect operation of the rain sensor (if combined)
  • Error message on the dashboard

Causes

  • Light sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring harness damage
  • Problems with the body control module
  • Sensor is dirty or damaged

How to Fix

  1. Check the functionality of the sensor using diagnostic equipment
  2. Inspect the condition of the wiring harness and connectors
  3. Clean or replace the light sensor
  4. Check the power and ground of the sensor circuit
  5. If necessary, reflash or replace the body control unit

Related codes

FAQ

What does the B160F code mean?

B160F is an OBD-II diagnostic trouble code that indicates: Twilight/Ambient Light Sensor

What causes a B160F error code?

The most common causes of B160F include: Light sensor malfunction; Open or short circuit in the sensor circuit; Wiring harness damage; Problems with the body control module.

How do I fix a B160F diagnostic trouble code?

To fix B160F: Check the functionality of the sensor using diagnostic equipment. Inspect the condition of the wiring harness and connectors. Clean or replace the light sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B160F?

Limited driving only, diagnose soon

How much does it cost to fix B160F?

The estimated repair cost for B160F is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat