This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile

Bulletin number

21-AT-012G

Component

Power train

Summary

This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality.  Before replacing an automatic transmission (Pages 2~3): Input the data from the new transmission into the TCU using the GDS.  Before replacing a TCU (Pages 4~6): Back up the oil pressure data from the old TCU into the GDS and then transfer the data to the new TCM.

Owners of these vehicles have filed 75 complaints in the transmission category.