High idle.

blackLTZ

Member
May 6, 2016
154
0
16
South Texas!
Took truck (l5p)to dealer and asked it they could program my high idle and they told me there’s no cal avalible for it yet ??

Fun fact: truck was low on coolant and they said it’s cause I took a long trip and coolant level will go down after a long trip, I was like never heard of that but noted
 

jlawles2

Member
Jan 27, 2010
953
5
18
Danbury, TX
Good luck on getting the dealer to program it for you. i tried 3 times even had the bulletin and they did not want to do it.

On the low coolant, there is a tech bulletin on the L5P where they system needs to be filled and re bled due to an issue during MFG.
 

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