TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# 3391.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary

4L60E/4L65E AUTOMATIC TRANSMISSION MAY EXPERIENCE A CONDITION OF DISTRESSED TRANSMISSION FLUID AND/OR SLIPPING, LATE OR MISSED SHIFTS IN 2ND, 3RD, AND 4TH. *TT

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