2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 672

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 672

1. Verify that the transmitter is the correct transmitter for the vehicle.

瀚慖f not correct, replace the transmitter.

2. Place the transmitter on the test pad of the J 43241 and press each button of the transmitter one at a time. The tester should sound a tone and

illuminate a green light when each button is pressed.

瀚慖f one or more buttons does not sound the tone and illuminate the green light, replace the transmitter battery and retest with the J 43241.

If the condition continues after battery replacement, replace the transmitter.

3. Attempt to program the transmitter, refer to Remote Control Door Lock Transmitter Programming (See: Accessories and Optional

Equipment/Antitheft and Alarm Systems/Keyless Entry/Keyless Entry Transmitter/Testing and Inspection). The transmitter should program.

瀚慖f the transmitter does not program, test the keyless entry antenna for an open/high resistance. If the circuit tests normal, replace the

RCDLR.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

Control Module References (See: Testing and Inspection/Programming and Relearning) for RCDLR replacement, setup, and programming

B3109

DTC B3109, B3110, B3111, or B3112

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 B3109 00

- Keyless Entry Transmitter 1 Low Battery

DTC B3110 00

- Keyless Entry Transmitter 2 Low Battery

DTC B3111 00

- Keyless Entry Transmitter 3 Low Battery

DTC B3112 00

- Keyless Entry Transmitter 4 Low Battery

Circuit/System Description

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the remote control

door lock receiver (RCDLR) along with the commanded keyless entry function.

Conditions for Running the DTC

A keyless transmitter button is pressed.

Conditions for Setting the DTC

The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.

Action Taken When the DTC Sets

The keyless entry system is inoperative.

Conditions for Clearing the DTC