Tuesday, December 3, 2019

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 637

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 637

B2610

DTC B2610

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC B2610 00

- Passenger Compartment Dimming 1 Circuit

Diagnostic Fault Information

Circuit/System Description

When the instrument panel lamps dimmer switch is activated, a variable voltage signal is applied through the LED dimmer switch signal circuit to

the body control module (BCM). The BCM then applies a message on the low speed serial data communication circuit to the door switches to

illuminate the switch backlighting. The BCM, driver door switch, and passenger door switch then applies a variable voltage signal through the LED