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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 462 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC B1001: Option Configuration Error >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. If SIR diagnostic system check has been performed, go to next step. If SIR diagnostic system check has not been performed, go to SIR DIAGNOSTIC SYSTEM CHECK .
  2. Turn ignition on. Using scan tool, request SIR DTC display. If DTC B1001 is not current, go to next step. If DTC B1001 is current, go to step  4.
  3. Inspect wire harness and wire harness connectors. Repair damage. See WIRE REPAIR . Go to step  5.
  4. Turn ignition off. Replace SDM or properly reprogram BCM with correct SDM part number using scan tool. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to next step.
  5. Reconnect all SIR components. Ensure that all components are properly mounted. Using scan tool, clear all SIR DTC's. Go to SIR DIAGNOSTIC SYSTEM CHECK .
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