2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 378

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 378

Diagnostic Aids

DTC B1011 does not indicate a ROS system malfunction and will not cause any warning indicators to illuminate. Factors such as a long engine

crank or a delay in serial data communications will cause B1011 to set.

Reference Information

Electrical Information Reference

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

Testing/Circuit Testing)

* 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)

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

Procedures/Connector Repairs/Connector Repairs)

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

Repairs/Wiring Repairs)

Repair Instructions

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

SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Wiring Repairs/SIR/SRS Wiring Repairs)

B1015

DTC B1015

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 B1015 00

- Vehicle Identification Number (VIN) Information Error

Circuit/System Description

When the ignition is turned ON, the object alarm module receives the vehicle identification number (VIN) from the body control module (BCM).

The object alarm module will compare the VIN received to the VIN stored in memory.

Conditions for Running the DTC

* DTC B1325 is not set

* Ignition voltage is between 9-16 volts

Conditions for Setting the DTC

The VIN stored in the object alarm module does not match the received VIN.

Action Taken When the DTC Sets

* The parking assist system is disabled.

* The object alarm module sends a serial data message to the instrument panel cluster (IPC) to display SERVICE PARK ASSIST message in

the driver information center (DIC).

Conditions for Clearing

* The DTC will transition to history when the fault is no longer present.

* A history DTC will clear after 100 malfunction-free ignition cycles.