B3600

Passenger Compartment Dimming Request Signal Circuit

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

Check fuses associated with the interior dimming system
Inspect the wiring harness for damage
Check the operation of the light sensor
Check manual dimming switch
Diagnose the dimming control module

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