GM/Duramax Allison NSBU Switch (2001-2004)
19540535 / 29540479
Limited Supply
Description
GM/Duramax Allison NSBU Switch. One of the most common problems with the Allison transmission is failure of the Neutral Start Back Up switch.
Some of the symptoms of failure include but are not limited to:
•No start condition
•Gear shift indicator on dash not following properly
•Trans stuck in limp mode or fail safe
•DTC's set indicating pressure switch codes
•This switch easily installs with just common hand tools.
New Part Number# 19540535 Supersedes #29540479
Some of the symptoms of failure include but are not limited to:
•No start condition
•Gear shift indicator on dash not following properly
•Trans stuck in limp mode or fail safe
•DTC's set indicating pressure switch codes
•This switch easily installs with just common hand tools.
New Part Number# 19540535 Supersedes #29540479
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