Diagnostic Aids
WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
The design of this motor does not allow for bench testing. The motor will not operate by simply applying power and ground.
Inspect the motor shaft for rust or other foreign material which may prohibit proper motor operation.
Check for Preliminary Information or Technical Service Bulletins.