ECM Commanded Reduced Engine Power
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
High transmission oil temperature, on vehicle equipped with a manual transmission, may cause the ECM command reduced engine power. Observe the M/T Over Temp Protection Mode and the M/T Over Temp Activation Counter parameters with a scan tool for any activity.
Perform the Diagnostic System Check - Vehicle to determine the reason that the ECM has commanded the reduced engine power mode.