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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 460 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> DTC B1001: Option Configuration Error >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. 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. Using scan tool, verify that PCM is programmed with correct VIN. If VIN is not correct, go to next step. If VIN is correct, go to step  4.
  3. Using scan tool, program correct VIN into PCM. Go to step  9.
  4. If BCM was replaced, go to next step. If BCM was not replaced, go to step  6.
  5. Using scan tool, program BCM to learn restraints identification from SDM. Go to step  9.
  6. Using scan tool, verify that BCM is programmed with correct VIN. If VIN is not correct, go to next step. If VIN is correct, go to step  8.
  7. Using scan tool, program correct VIN into BCM. Go to step  9.
  8. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to next step.
  9. Reconnect all SIR components. Using scan tool, clear DTC's. Road test vehicle. Turn ignition off for 10 seconds. Go to SIR DIAGNOSTIC SYSTEM CHECK .
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