GMC TSB #4144
2007 GMC Sierra 2500
Affected Component: POWER TRAIN:MANUAL TRANSMISSION
- TSB Document
-  - Sorry, the NHTSA has not posted this TSB document yet.
 You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 4144. 
- Summary
- ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB
