2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 854

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 854

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

C0131 00

Replace EBCM/BPMV assembly.

C0131 3A or 4B

Verify DTC C0131 3A or 4B is not set.

If DTC is set, perform the special function, Brake Pressure Sensor Calibration. If the DTC resets replace EBCM/BPMV assembly.

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/Less than 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 Greater than/Equal to 3900 kg (8600 lb) GVW

DTC C0131

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 Descriptors

DTC C0131 01

- ABS Pressure Circuit Short to Battery

DTC C0131 03

- ABS Pressure Circuit Below Threshold

DTC C0131 06

- ABS Pressure Circuit Short to Ground or Open

DTC C0131 55

- ABS Pressure Circuit Expected Number of Transition/Events exceeded

DTC C0131 4B

- ABS Pressure Circuit Calibration Not Learned

DTC C0131 5A

- ABS Pressure Circuit Plausibility Failure

DTC C0131 0F

- ABS Pressure Circuit Erratic

Circuit/System Description

The body control module (BCM) sends a serial data message when the brake pedal is applied. The electronic brake control module (EBCM)