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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1348 (Transfer Case - Mp 3023/3024-NQH) >> Diagnostic Information and Procedures >> DTC P2160 or P2161 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the drive wheels.
  2. Start and idle the engine.
  3. Place the transmission in DRIVE.
  4. Monitor VSS on the scan tool under engine data.
  5. The VSS on the scan tool should be greater than 100 RPM.
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