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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 977 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B1001 (ROS) >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected.
  • ROS
  • ROS wiring harness
  1. Verify the correct ROS part number has been installed
    • If the wrong ROS part number was installed, replace with the correct ROS.
  2. Verify that DTC B1001 is not set in the ROS.
    • If DTC is set, perform the Setup New ROS procedure. If DTC resets replace the ROS.
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