Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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 the 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