Oct 29, 2021 · P2121 Throttle /pedal position sensor/ switch D circuit range / performance Jump to Latest 40K views 53 replies 15 participants last post by Advancedprism13 Aug 27, 2025 …

Mar 7, 2015 · P2121 code help? Jump to Latest 43K views 11 replies 2 participants last post by xcc_rider Mar 9, 2015 Alabamacoalminer Discussion starter

Aug 1, 2022 · I got the dead pedal with check engine light (P2121 and P2122 codes) today while driving into work... Also I got the Red lightning bolt flashing. The throttle pedal and brake light …

Mar 20, 2019 · 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 …

Aug 22, 2009 · Any one know what the code p2121 means this is for a buddy, he already replaced the throttle position sensor?

Dec 13, 2017 · Re: P2121 code APPS issues I’ve changed the tps, throttle body delete and still experiencing problems once a month. Frustrating.

Mar 16, 2008 · Showed P2121 and P2122 codes. Trying to limp back home stopped and filled up. Engine light went off and truck operated perfect. Stop again and when restarted, engine light …

Feb 18, 2010 · P2121 & P2123 Codes I'm having the same problems with my 2004 Dodge Ram 2500 diesel. Everytime I go to dealer to fix, the code clears itself and they can't find the problem.

Jul 22, 2019 · December's Cummins of the Month is now open for VOTING! P2121 code will not go away Jump to Latest 14K views 7 replies 4 participants last post by PWong Jul 25, 2019 …

Apr 2, 2024 · Re: Service Electronic Throttle Control (Lightning Bolt)? Another update: the replacement throttle pedal assembly came in, and I installed it. I cranked the truck to see if …