Wednesday, February 3, 2021

2010 Cadillac Truck SRX AWD V6-3.0L Page 311

2010 Cadillac Truck SRX AWD V6-3.0L Page 311



瀚慖f greater than the specified range, replace the KR42 daytime running lamp relay.



Repair Instructions



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



* Headlamp Replacement (See: Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Replacement)



* Relay Replacement (Attached to Wire Harness) (See: Power and Ground Distribution/Power Distribution Relay/Service and Repair/Relay



Replacement (Attached to Wire Harness))Relay Replacement (Within an Electrical Center) (See: Power and Ground Distribution/Power



Distribution Relay/Service and Repair/Relay Replacement (Within an Electrical Center))



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



B260D



DTC B260D or B260E



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 B260D 01



- Left Daytime Running Lamp and Front Park Lamp Control Circuit Short to Battery



DTC B260D 02



- Left Daytime Running Lamp and Front Park Lamp Control Circuit Short to Ground



DTC B260D 04



- Left Daytime Running Lamp and Front Park Lamp Control Circuit Open



DTC B260E 01



- Right Daytime Running Lamp and Front Park Lamp Control Circuit Short to Battery



DTC B260E 02



- Right Daytime Running Lamp and Front Park Lamp Control Circuit Short to Ground



DTC B260E 04



- Right Daytime Running Lamp and Front Park Lamp Control Circuit Open



Diagnostic Fault Information



Circuit/System Description



When the headlight switch is in the Auto position and the ambient light sensor detects sunlight, the body control module (BCM) will command the



daytime running lamps to illuminate by providing 12 volts to the daytime running lamp control circuit.



Conditions for Running the DTC



* The engine is running.



* Headlamp switch in AUTO position.



* The ambient light is day.



Conditions for Setting the DTC



B260D 01 or B260E 01



The BCM detects a short to voltage on the daytime running lamp control circuit