2010 Cadillac CTS Sedan AWD V6-3.6L Page 555

2010 Cadillac CTS Sedan AWD V6-3.6L Page 555

Without RPO Y41

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.

With RPO Y41

When starting the vehicle, a message containing the current battery state of the transmitter is sent to the remote control door lock receiver

(RCDLR).

Conditions for Running the DTC

Without RPO Y41

A keyless transmitter button is pressed.

With RPO Y41

Ignition ON.

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

The DTC is cleared when a normal transmitter voltage signal is received from the programmed transmitter that set the DTC.

Reference Information

Schematic Reference

Remote Function Schematics (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Keyless Entry

Transmitter/Diagrams/Electrical Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

Keyless Entry System Description and Operation (with RPO Y41) (See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Keyless Entry/Description and Operation/Keyless Entry System Description and Operation (with RPO Y41))Keyless Entry System

Description and Operation (without RPO Y41) (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless

Entry/Description and Operation/Keyless Entry System Description and Operation (without RPO Y41))

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit

Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/Wiring Repairs)

Scan Tool Reference

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

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.