Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Driver Position Module seat switch parameters while pressing the appropriate seat switch. The reading should change between Inactive and Active.
- If the reading does not change between the specified values, refer to Seat Adjuster Switch Circuit Test .
- If all seat switch inputs to the MSM function normal, refer to the appropriate test listed below:
- Seat Motor Control Circuit Test
- Recline Motor Control Circuit Test