2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 855

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 855

compares the brake pressure sensor values to ensure they agree with the brake pedal applied signal.

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

* Brake signal does not correlate to pressure signal.

* Signal is erratic and changes faster than physically allowed.

Action Taken When the DTC Sets

* The Traction Control indicator turns ON.

* The driver information center (DIC) displays the Service Stability System message.

Conditions for Clearing the DTC

The EBCM clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.

Reference Information

Schematic Reference

Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation/ABS

Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning)for scan tool information

Circuit/System Testing

1. Apply and release brake pedal. Verify brake lamps operate properly.

瀚慖f brake lamps do not operate properly, refer to Symptoms - Lighting (See: Lighting and Horns/Testing and Inspection/Symptoms -

Lighting).

2. Replace the brake pressure modulator valve (BPMV) assembly.

瀚慖f the DTC resets, replace the EBCM.

Repair Instructions

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

* Brake Pressure Modulator Valve Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Hydraulic

Control Assembly - Antilock Brakes/Service and Repair/Greater than/Equal to 3900 kg (8600 lb) GVW)

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

Antilock Brake System - Non-Hybrid Less than 3900 kg (8600 lb) GVW