2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 620
Control Module References (See: Testing and Inspection/Programming and Relearning)for scan tool information
Circuit/System Verification
Verify none of the following DTCs are set:
* DTC B3109
* DTC B3110
* DTC B3111
* DTC B3112
* DTC B3113
If any of the DTCs are set, replace the battery in the appropriate keyless entry transmitter. Operate the transmitter 3 consecutive times. If the DTC
resets, replace the keyless entry transmitter.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Replacing Keys (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Service and Repair/Replacing Keys)
B3113
DTC B3109-B3113
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 Battery
DTC B3110 00
- Keyless Entry Transmitter 2 Battery
DTC B3111 00
- Keyless Entry Transmitter 3 Battery
DTC B3112 00
- Keyless Entry Transmitter 4 Battery
DTC B3113 00
- Keyless Entry Transmitter 5 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, along with the commanded keyless entry function. The remote control door lock receiver sends this to the body control module
(BCM) to perform the requested function.
Conditions for Running the DTC
A keyless transmitter button is pressed.
Conditions for Setting the DTC
3 consecutive low battery signals are received from the same transmitter.
Action Taken When the DTC Sets
The keyless entry system is inoperative.
