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  1. Who Knows anything about this P2BAC Code | Cummins Diesel …

    Mar 7, 2021 · P2BAC-NOx Exceedence - Deactivation Of EGR Theory of Operation The Powertrain Control Module (PCM) continuously monitors the engine's fault code status to …

  2. P2BAC dtc, what is this code? | Cummins Diesel Forum

    Mar 22, 2012 · P2BAC dtc, what is this code? Jump to Latest 26K views 3 replies 4 participants last post by gbsrev800g Feb 27, 2013 cummins072500 Discussion starter

  3. P2bac dtc today??? | Cummins Diesel Forum

    Dec 7, 2010 · P2BAC is coming in on my 2011 with no tuner. I notice a large drop in power and slightly less MPG’s. Also P245B code is coming in as well. Quick look up says: TYPE …

  4. 2011 Dodge Cummins P2BAC EGR and P2271 O2 Sensor Codes

    2011 Dodge 6.7L Cummins: Diagnosing P2BAC and P2271 Codes 6.7L Cummins often faces EGR system faults and oxygen sensor errors causing emission-related codes. The P2BAC …

  5. P2271 / P2BAC - IGOTACUMMINS

    May 15, 2020 · Re: P2271 / P2BAC Thanks for the replies, guys! I had previously taken the sensor out, cleaned it, and put it back in. It wasn’t too bad when I pulled it. The money light …

  6. P2BAC normal w/EGR unplugged? | Cummins Diesel Forum

    Nov 21, 2016 · In my experience, P2BAC is normal after a period of time with EGR unplugged or an EGR code. The P2BAC code is the one that relates to the engine being derated if you have …

  7. 6.7 Cummins P2BAC - Dodge Cummins Diesel Forum

    Oct 18, 2023 · I have a 2017 ram 2500 with a p2BAC code which says NOX exceedence, deactivation of egr. The truck has 87,000 miles on it and no noticeable lose in power . I …

  8. P2BAC NOx Exceedance and EGR Deactivation on Dodge 3500

    Customer: - P2bac NOx Exceedance - Deactivation of EGR What's the year and model of your vehicle? I have a 2015 3500 with a 6.7L 6-cylinder engine. What’s the approximate mileage on …

  9. Ram 5500 P2BAC Code Preventing DPF Regen Diagnosis

    2021 Ram 5500 Cummins P2BAC Code Preventing DPF Regen Ram 5500 often faces DPF regen failure and multiple engine misfire or sensor-related trouble codes. The P2BAC code …

  10. Dodge P2BAC Code: NOx Exceedence & EGR Deactivation - Q&A

    The P2BAC code indicates NOx sensor readings exceed limits, triggering EGR deactivation. After replacing O2 sensors, persistent codes suggest possible NOx sensor failure or wiring issues. …