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Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Buick Rendezvous. 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 air bags have deployed, go to step  5. If air bags have not deployed, go to next step.
  3. Inspect vehicle and undercarriage for signs of impact. If impact has occurred, go to step  5. If no impact has occurred, go to next step.
  4. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to step  6.
  5. Replace components and perform inspections as required following an accident. See POST-COLLISION INSPECTION . Go to next step.
  6. Reconnect all SIR components. Using scan tool, clear DTC's. Road test vehicle, then check for DTC's. If DTC is retrieved, go to step  2. If DTC is not retrieved, system is normal.
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