2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2244

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2244

voltage signal. The BCM sends a serial data message to the engine control module (ECM)/powertrain control module (PCM) indicating the status

of the stop lamps.

Conditions for Running the DTC

The engine is ON.

Conditions for Setting the DTC

* The ECM/PCM receives an invalid brake pedal status serial data message from the BCM.

* This diagnostic runs continuously.

Actions Taken When the DTC Sets

* The cruise control system becomes disabled.

* The malfunction indicator lamp (MIL) will not illuminate.

Conditions for Clearing the DTC

* The condition responsible for setting the DTC no longer exists.

* A history DTC will clear after 40 malfunction-free ignition cycles have occurred.

Reference Information

Schematic Reference

* Cruise Control Schematics (See: Cruise Control/Diagrams/Electrical Diagrams)

* Exterior Lights Schematics (See: Diagrams/Electrical Diagrams/Lighting and Horns/System Diagram/Exterior Lights Schematics)

Connector End View Reference

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

Description and Operation

Cruise Control Description and Operation (See: Cruise Control/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 Verification

1. Verify that DTC P0572 or P0573 is not set.

瀚慖f DTC is set, refer to Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic

Overview/Diagnostic System Check - Vehicle).

2. Verify that DTC P0703 is not set.

瀚慖f DTC is set, replace the BCM. Clear the DTC and road test the vehicle. If DTC resets, replace the ECM/PCM.

Repair Instructions

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

Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM, ECM or PCM replacement, setup, and

programming

2ML70 - Automatic Transmission