Circuit/System Verification
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.
- Raise and support the drive wheels.
- Start and idle the engine.
- Place the transmission in DRIVE.
- Monitor VSS on the scan tool under engine data.
- The VSS on the scan tool should be greater than 100 RPM.