Transmission Replacement
WARNING: This page is about a different car, the 2014 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Read Only Memory (ROM) is part of the control solenoid valve assembly which is part of the transmission assembly, and is not serviced separately.
Perform the Transmission Adaptive Pressure Reset. Refer to Transmission Adaptive Pressure Reset .