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Truck wont start

1K views 12 replies 7 participants last post by  harleyman 
#1 ·
I have a 06 dmax cc s/b and it wont start. The shifter will not light up, and its all the way in park. Is there a trany relay under the truck by the drivers side torsion key?? and can it be bypassed??
 
#4 ·
sounds like NSBU.
 
#5 ·
NSBU is internal on the 06 and up trucks, might be a battery issue also.
 
#6 ·
All the lights are working just not the shifter light, and the batterys are fully charged.
Thank you for the posts

What is the NSBU any way?? the problem i am having is that my truck wont start and no light on the dash for my shifter but the rest of the dash lights work. the truck thinks it is not in park and wont start
 
#7 ·
I thought they fixed the nsbu switch on the 06 trucks?
 
#13 ·
has any tcm or ecm connectors been detached for any reason lately? if the tcm control cable has been detached, it may not have been plugged in properly. that will definitely cause what you are seeing.
 
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