Transfer Case Two/Four Wheel Drive Actuator Position Sensor/Rotational Position Sensor (RPS)
WARNING: This page is about a different car, the 2013 GMC Yukon XL, 2013 GMC Yukon, 2013 Chevrolet Tahoe, 2013 Chevrolet Suburban, and 2013 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Key OFF. Disconnect the X1 connector at the RPS.
- Remove the RPS from the transfer case.
- Connect the RPS.
- While monitoring the Rotational Position Sensor parameter in the Data Display section of the scan tool, rotate the center locating tab of the RPS. The Rotational Position Sensor parameter reading should sweep between -146 and +204 degrees.
- If the RPS does not function as explained, replace the RPS.