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# 3931.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary

NO MOVEMENT WHEN THE SHIFT LEVER IS MOVED TO D4 OR D3. NORMAL OPERATION WHEN MOVED TO D2 D1 OR REVERSE. *KB UPDATED. *KB

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