Help!
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5th Wheeling
Joined: May 2008
Posts: 44
Likes: 2
From: Alaska
Help!
I am leaving tomorrow morning on a camping trip with the travel trailer. I just went to change my Hypertech Max Energy programmer level from 1 (economy) to 2 (towing) and the programmer told me I had a DTC of "U0306". I looked it up and it means "programming incompatibility with fuel injector control module". The check engine light never came on and I haven't noticed any problems, but I want to know if I need to reset the program to stock or should I even contemplate on taking the camping trip.
Any help would be appreciated.
Any help would be appreciated.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
Until you can get a definitive answer from Hypertech or otherwise, I would set the tuner back to the previous program (unless it's not recommended for towing use) or return to stock.
Which engine do you have?
Which engine do you have?
