B2610

DTC B2610

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B2610 00
- Passenger Compartment Dimming 1 Circuit

Diagnostic Fault Information






Circuit/System Description

When the interior lamps dimming switch is activated, a variable voltage signal is applied through the instrument panel lamps dimmer switch signal circuit to the body control module (BCM). The BCM then applies a variable voltage signal through the LED backlighting dimming supply circuit to the following components:

* Clock
* Diver Information center (DIC) switch
* Headlamp Switch
* HVAC Control Head
* Rear HVAC Control
* Radio
* Rear Radio Entertainment
* Steering Wheel Control Switch

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

The BCM receives a ground signal on the LED dimming supply circuit

Action Taken When the DTC Sets

The BCM cease attempt to dim or illuminate the LED lamps.

Conditions for Clearing the DTC

The BCM clears this code from current when the fault is removed from the system.

Circuit/System Verification

Ignition ON, cover the ambient light sensor, vary the interior lamp dimming switch from dim to full bright. The LED lamps should dim and then become full bright.

Circuit/System Testing

1. Disconnect all the LED backlighting dimming supply circuit lamps related components.

• If the DTC resets then test for a short to ground in the LED dimming supply circuit lamps circuit. If the circuit/connections test normal replace the BCM.

2. Reconnect each component one at a time and test for the DTC B2610. If the DTC resets then replace that component.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

* Driver Information Display Switch Replacement
* Turn Signal Multifunction Switch Replacement
* Radio Replacement
* Digital Radio Receiver Replacement
* Steering Wheel Control Switch Assembly Replacement (Torrent) Steering Wheel Control Switch Assembly Replacement (Equinox)