OBD Guide

B3600

Passenger Compartment Dimming Request Signal Circuit

B3600 is an OBD-II diagnostic trouble code meaning: Passenger Compartment Dimming Request Signal Circuit . Common causes: open or short circuit in wiring harness, dimming control module malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the dashboard backlight
  • Interior lighting does not respond to changes in lighting conditions
  • Interior lighting cannot be adjusted manually

Causes

  • Open or short circuit in wiring harness
  • Dimming control module malfunction
  • Blown fuse
  • Problems with the light sensor
  • Manual dimming switch malfunction

How to Fix

  1. Check fuses associated with the interior dimming system
  2. Inspect the wiring harness for damage
  3. Check the operation of the light sensor
  4. Check manual dimming switch
  5. Diagnose the dimming control module

Related codes

Error B3600 by Vehicle Brand

FAQ

What does the B3600 code mean?

B3600 is an OBD-II diagnostic trouble code that indicates: Passenger Compartment Dimming Request Signal Circuit

What causes a B3600 error code?

The most common causes of B3600 include: Open or short circuit in wiring harness; Dimming control module malfunction; Blown fuse; Problems with the light sensor.

How do I fix a B3600 diagnostic trouble code?

To fix B3600: Check fuses associated with the interior dimming system. Inspect the wiring harness for damage. Check the operation of the light sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3600?

Limited driving only, diagnose soon

How much does it cost to fix B3600?

The estimated repair cost for B3600 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat