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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC B1000: Internal SDM Fault >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 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 off. If front deployment has occurred, go to step  6. If side deployment has occurred, go to next step. If no deployment has occurred, go to step  4.
  3. Replace head impact air bag module and SIS sensor on side of impact. See AIR BAG MODULES  and SIDE IMPACT SENSOR (SIS)  under REMOVAL & INSTALLATION. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to step  7.
  4. Inspect front of vehicle and undercarriage for signs of impact. If impact has occurred, inspect and repair vehicle. See POST-COLLISION INSPECTION . Go to next step. If no impact has occurred, go to next step.
  5. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to step  7.
  6. Replace SIR coil, driver-side and passenger-side air bag modules. See AIR BAG MODULES  and SIR COIL ASSEMBLY  under REMOVAL & INSTALLATION. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to next step.
  7. 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 .