LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 855 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0056 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, verify that the vehicle does not show any signs of inflator module or pretensioner deployment.
  2. With a scan tool, verify DTC B0052, B0053, or B0055 is not set.
  3. With a scan tool, clear DTCs, verify DTC B0056 is not set.
    • If DTC is set, replace the SDM.