2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 783

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 783

Repair Instructions

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

* Underhood Electrical Center or Junction Block Replacement (See: Maintenance/Fuses and Circuit Breakers/Fuse Block/Service and

Repair/Removal and Replacement/Underhood Electrical Center or Junction Block Replacement)

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

B3875

DTC B3875

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 B3875 00

- Wiper High Speed Relay Circuit

Diagnostic Fault Information

Circuit/System Description

The body control module (BCM) monitors the wiper high speed relay control circuit only when wiper high speed mode is active. When the wiper

high speed mode is requested, the BCM responds by applying a ground through the wiper high speed relay control circuit to the coil side of the

relay, energizing the WPR HI Relay.

Conditions for Running the DTC

This DTC can set only when the output is actively being requested by the BCM.

Conditions for Setting the DTC

This DTC sets if the BCM detects a short to voltage on the WIPER 2 relay control circuit.

Action Taken When the DTC Sets

The BCM will not activate the output.

Conditions for Clearing the DTC