Automatic Transmission ID Location
The transmission ID and
the VIN derivative for the M30 transmission are located on the left side
of the transmission just above the transmission pan.
VIN Derivative Breakdown
The transmission identification
(ID) number indicates the transmission model year, type and when the unit
was built.
Manual Transmission ID Location
The transmission model
identification is located on a label or tag on the transmission case. If
this label is missing or unreadable, use the service parts identification
label in order to identify the vehicle's transmission.
Transmission ID and VIN Derivative Location 4L80-E