Circuit/System Verification
WARNING: This page is about a different car, the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Key ON, engine OFF.
- Connect a scan tool.
- Using the TCSCS, select each transfer case mode/range while monitoring the Rotational Position Sensor parameter and the Incremental Position Sensor parameter on the scan tool, The Rotational Position Sensor parameter and the Incremental Position Sensor parameter should track within 5 degrees of each other.