2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 306
4. Verify the scan tool LED Backlight Dimming Command is less than 5 percent.
瀚慖f greater than the specified range, test the signal circuit terminal 12 for a short to voltage. If the circuit tests normal, replace the K9 Body
Control Module.
5. Install a 3 A fused jumper wire between the signal circuit terminal 12 and the 5 V reference circuit terminal 5. Verify the scan tool LED
Backlight Dimming Command is greater than 95 percent.
瀚慖f less than the specified range, test the signal circuit for short to ground or an open/high resistance. If the circuit tests normal, replace the
K9 Body Control Module.
6. If all circuits test normal, test or replace the S30 Headlamp Switch.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Headlamp Switch Replacement (See: Lighting and Horns/Headlamp/Headlamp Switch/Service and Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming
B260B
DTC B260B or B260C
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 Descriptor
DTC B260B 01
- Left Daytime Running Lamp Relay Control Circuit Short to Battery
DTC B260B 02
- Left Daytime Running Lamp Relay Control Circuit Short to Ground
DTC B260B 04
- Left Daytime Running Lamp Relay Control Circuit Open
DTC B260C 01
- Right Daytime Running Lamp Relay Control Circuit Short to Battery
DTC B260C 02
- Right Daytime Running Lamp Relay Control Circuit Short to Ground
DTC B260C 04
- Right Daytime Running Lamp Relay Control Circuit Open
Diagnostic Fault Information
Circuit/System Description
