2010 Cadillac CTS Sedan AWD V6-3.6L Page 554
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
Special Tools
J 43241 Keyless Entry Tester
Circuit/System Verification
Attempt to program the keyless entry transmitter, refer to Remote Control Door Lock Transmitter Programming (without Y41) (See: Accessories
and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Keyless Entry Transmitter/Testing and Inspection/Remote Control Door Lock
Transmitter Programming (without Y41)). The transmitter should program.
Circuit/System Testing
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 (without Y41) (See: Accessories and
Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Keyless Entry Transmitter/Testing and Inspection/Remote Control Door
Lock Transmitter Programming (without Y41)). The transmitter should program.
瀚慖f the transmitter does not program, 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
