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