Chevrolet Trax Owners & Service Manuals

Chevrolet Trax: DTC B1001: Option configuration

Diagnostic Instructions

  • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
  • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
  • Diagnostic Procedure Instructions provides an overview of each diagnostic category

DTC Descriptor

DTC B1001 00

Option Configuration

Circuit/System Description

The inflatable restraint sensing and diagnostic module stores a primary data key, which is a 4-digit number.

When the ignition is turned ON, the inflatable restraint sensing and diagnostic module compares this information to the information stored in the body control module (BCM) via serial data. If there is a mismatch between the information stored in the inflatable restraint sensing and diagnostic module and body control module, DTC B1001 will set.

Conditions for Running the DTC

System voltage is between 9-16 V.

Conditions for Setting the DTC

The 4-digit Primary Data Key stored in the inflatable restraint sensing and diagnostic module does not match the 4 digits stored in the body control module.

Action Taken When the DTC Sets

  • The inflatable restraint sensing and diagnostic module requests the instrument cluster to illuminate the AIR BAG indicator.
  • The inflatable restraint sensing and diagnostic module disables all deployments.

Conditions for Clearing the DTC

The last 4-digit Primary Data Key in the inflatable restraint sensing and diagnostic module matches the last 4 digits stored in the Body Control Module.

Diagnostic Aids

  • This DTC is an indication that an incorrect inflatable restraint sensing and diagnostic module is installed in the vehicle, or that the inflatable restraint sensing and diagnostic module and/or the body control module was replaced without reprogramming the body control module with the new information.
  • If the inflatable restraint sensing and diagnostic module was previously programmed and DTC B1001 is now set, the setup portion of program was not completed. Proceed to the inflatable restraint sensing and diagnostic module setup portion of the Inflatable Restraint Sensing and Diagnostic Module Programming and Setup

Reference Information

Schematic Reference

SIR Schematics (Encore), SIR Schematics (Trax)

Connector End View Reference

WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - ENCORE WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - TRAX

Description and Operation

Supplemental Inflatable Restraint System Description and Operation

Electrical Information Reference

  • Circuit Testing
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs
  • Connector Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

  1. Verify the scan tool K36 Inflatable Restraint Sensing and Diagnostic Module Primary Key Status paramater is Valid.
  • If the K36 Inflatable Restraint Sensing and Diagnostic Module Primary Key Status parameter is Invalid

Perform the K36 Inflatable Restraint Sensing and Diagnostic Module setup. Refer to Inflatable Restraint Sensing and Diagnostic Module Programming and Setup .

  • If the K36 Inflatable Restraint Sensing and Diagnostic Module Primary Key Status parameter is Valid
  1. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

  • SIR/SRS Wiring Repairs
  • Control Module References for inflatable restraint sensing and diagnostic module replacement, programming and setup

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