2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 347

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 347

Conditions for Clearing the DTC

* A current DTC clears when the malfunction is no longer present.

* A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.

Circuit/System Verification

1. Program or configure the module or related module that set DTC B1001. The module should successfully configure.

瀚慖f the module will not configure, replace the module that set the DTC.

2. With a scan tool, clear the DTC.

3. Ignition OFF, remove the scan tool, open and close the drivers door.

4. Wait 60 seconds, then recheck for DTCs. DTC B1001 should not set.

瀚慖f DTC B1001 sets, replace the module.

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 control module replacement, setup, and programming

Supplemental Inflatable Restraint

DTC B1001 (SDM)

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 B1001 00

- SDM Option Configuration Error

Circuit/System Description

The inflatable restraint sensing and diagnostic module (SDM) stores a primary data key, which is a 4-digit number, and a secondary data key, which

is a portion of the vehicle identification number (VIN). When the ignition is turned ON, the SDM compares this information to the information

stored in the body control module (BCM) over the serial data communication circuit.

Conditions for Running the DTC

Ignition voltage is between 9-16 V.

Conditions for Setting the DTC

* The 4-digit primary data key stored in the SDM does not match the 4 digits stored in the BCM.

* The VIN stored in the BCM is not in the acceptable range of VINs allowed by the SDM calibration.

Action Taken When the DTC Sets

* The SDM requests the instrument panel cluster (IPC) to illuminate the AIR BAG indicator.

* The SDM disables all deployments.

Conditions for Clearing the DTC

* The last 4-digit Primary Data Key in the SDM match the last 4 digits stored in the BCM.

* The VIN stored in the BCM is in the acceptable range of VINs allowed by the SDM calibration.