TSB Document:

• MC-10112713-9999.pdf

Affected Component: POWER TRAIN

Summary

This Preliminary Information communication provides information to the technician the automatic transmission operating characteristics for the 2004 through 2007 Aveo/Waves when the transmission's fluid temperature is below 15 Celsius (59 Fahrenheit). Technician should be advised that the 4th gear up-shifts are prevented. This is designed to provide improved vehicle emissions and heater performance.

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