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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 359 (Transfer Case - Mp 3010-NP0) >> Diagnostic Information and Procedures >> DTC P2160 or P2161 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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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