2015年3月6日 · Can some one help a newbie out and explain what this code p2121 is, what I need to do to get my truck fixed. It was driving fine and I hit a bump and it threw this code. I pulled to the side of the road read the code with my efi. Tried to clear it but it will not clear. I …

2021年10月28日 · Hello guys and girls I have A 2008 Dodge Cummins 2500 6.7 with about 205,000 miles, and I had this code pop up P2121 and P2127 for awhile now, and I have tried rerouting the wire on the wiring harness and replacing 4 pedals but nothing has seem to work my truck goes in a limp mode with the red...

2008年3月16日 · Was enjoying a nice day with wife on interstate city traffic when all the sudden the diesel acted like it ran out of fuel. Pulled onto shoulder with truck idling, reved the engine a couple of times (had throttle lag to engine response) and slowly took back off again. Being out of …

2022年8月1日 · I have a 2012 Cummins Automatic 4wd that I'm seeing this code on. Sometimes it the red lightning bolt will flash and I'll get dead pedal until the truck is restarted, and sometimes it just displays the flashing red lightning bolt but no dead pedal. I …

2009年8月21日 · Any one know what the code p2121 means this is for a buddy, he already replaced the throttle position sensor?

2019年3月20日 · I recently bought a 2012 Dodge Ram 3500 and get’n frustrated with this code. Since I’ve bought the truck I’ve changed the tps, throttle body delete, h&s mini max, cleared the code a few times. The truck will run good for almost a month then will pull this code and I have a dead pedal. How can I get rid of this problem? Please help bring back my sanity.

2016年7月3日 · DTC P2121 (throttle/pedal position sensor switch d/ circuit range/performance) Shows up when I run a DTC on the tuner I drive the truck 120 miles to work everyday ( yes everyday) while on cruise control @65-70mph and have never had this problem.

2011年2月22日 · Had the same problem (p2121 & p2123) with my 04.5 at around the same time this post originated. Did a bunch of reseach on this site and replaced my accelerator pedal position sensor (apps) with a cheaper version they sell on …

2024年12月28日 · 2004 3500 nv5600. Anyone have experience with p2121 pedal code along with other strange electrical issues. I got my first dead pedal occurrence 5-6 years ago. Randomly lost pedal on the interstate and it came back 2 seconds later. 2 days ago it got me on my way home. I felt it drop out and the...

2017年12月13日 · So my 2007 Cummins has been acting up lately. I get a code p2121. I get weird throttle response and goofy shifting. The code reads accelerator pedal position sensor. Anyone had this issue? Tips or tricks? Things to look for or check? I can clear the code and it will be ok for a little while then act up again. I checked my grounds, cleaned them up. Replaced a worn battery cable end. Did an apps ...