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- 3rd Gen Engine and Drivetrain -> 2003-2007 (https://www.dieseltruckresource.com/forums/3rd-gen-engine-drivetrain-2003-2007-102/)

- - APP Codes ? (https://www.dieseltruckresource.com/forums/3rd-gen-engine-drivetrain-2003-2007-102/app-codes-204358/)

93flatbed

May 10, 2008 09:46 PM

APP Codes ?

Hi guys,
I've got a friend with a 2003 ctd nv5600 He has an BD X tuner box set on the perforance/90hp setting. He just threw two codes p2121 and p2122 the app sensonser low codes. Has any one had this problem? Do you guys have any idea whats wrong?

Thanks in advance
Justin

87BRGN

May 11, 2008 02:20 AM

Yeah,mine did it about a month ago. The reset worked for about a day, then I had to replace the apps. Do a search for the reset procedure and have him try that, if it still acts up replace the sensor. Get it through Cummins instead of dodge and save atleast 100 bucks. Unless it's still got a warantee.

Dave

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