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
