# P2459 on the 2023 Ram 2500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P2459

- [11035162](https://open.wenmarpro.com/bulletins/11035162), 2026-07-23: Air Handling Performance Test \(APT\) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0234\-00 \- Turbocharger Overboost Condition. ● P0299\-00 \- Turbocharger Underboost. ● P0101\-00 \- Mass Air Flow Sensor "A" Circuit Performance. ● P2463\-00 \- Diesel Particulate Filter Restriction \- Soot Accumulation Bank 1. ● P24A4\-00 \- Particulate Filter Restriction \- Soot Accumulation Too High. ● P2262\-00 \- Turbocharger Boost Pressure Not Detected \- Mechanical. ● P0471\-00 \- Exhaust Pressure Sensor 1 Performance. ● P1451\-00 \- Diesel Particulate Filter System Performance. ● P2457\-00 \- Exhaust Gas Recirculation Cooling System Performance. ● P2263\-00 \- Turbo Boost System Performance. ● P2459\-00 \- Diesel Particulate Filter Regeneration Too Frequent. ● P24A2\-00 \- Diesel Particulate Filter Regeneration Incomplete \- Bank 1. ● P0401\-00 \- EGR System Performance. ● P0402\-00 \- EGR Flow Excessive Detected.
- [11035047](https://open.wenmarpro.com/bulletins/11035047), 2026-07-18: Air Handling Performance Test \(APT\) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0234\-00 \- Turbocharger Overboost Condition. ● P0299\-00 \- Turbocharger Underboost. ● P0101\-00 \- Mass Air Flow Sensor "A" Circuit Performance. ● P2463\-00 \- Diesel Particulate Filter Restriction \- Soot Accumulation Bank 1. ● P24A4\-00 \- Particulate Filter Restriction \- Soot Accumulation Too High. ● P2262\-00 \- Turbocharger Boost Pressure Not Detected \- Mechanical. ● P0471\-00 \- Exhaust Pressure Sensor 1 Performance. ● P1451\-00 \- Diesel Particulate Filter System Performance. ● P2457\-00 \- Exhaust Gas Recirculation Cooling System Performance. ● P2263\-00 \- Turbo Boost System Performance. ● P2459\-00 \- Diesel Particulate Filter Regeneration Too Frequent. ● P24A2\-00 \- Diesel Particulate Filter Regeneration Incomplete \- Bank 1. ● P0401\-00 \- EGR System Performance. ● P0402\-00 \- EGR Flow Excessive Detected.
- [11031466](https://open.wenmarpro.com/bulletins/11031466), 2026-04-22: Diagnostic Trouble Code \(DTC\) P2459\-00 Particulate Filter Regeneration Too Frequent Setting in the Powertrain Control Module \(PCM\) or Under Fueling or Over Fueling Condition After Fuel Injector\(s\) Replacement
- [11024553](https://open.wenmarpro.com/bulletins/11024553), 2025-10-29: Air Handling Performance Test \(APT\) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0234\-00 \- Turbocharger Overboost Condition. ● P0299\-00 \- Turbocharger Underboost. ● P0101\-00 \- Mass Air Flow Sensor "A" Circuit Performance. ● P2463\-00 \- Diesel Particulate Filter Restriction \- Soot Accumulation Bank 1. ● P24A4\-00 \- Particulate Filter Restriction \- Soot Accumulation Too High. ● P2262\-00 \- Turbocharger Boost Pressure Not Detected \- Mechanical. ● P0471\-00 \- Exhaust Pressure Sensor 1 Performance. ● P1451\-00 \- Diesel Particulate Filter System Performance. ● P2457\-00 \- Exhaust Gas Recirculation Cooling System Performance. ● P2263\-00 \- Turbo Boost System Performance. ● P2459\-00 \- Diesel Particulate Filter Regeneration Too Frequent. ● P24A2\-00 \- Diesel Particulate Filter Regeneration Incomplete \- Bank 1. ● P0401\-00 \- EGR System Performance. ● P0402\-00 \- EGR Flow Excessive Detected
- [11009479](https://open.wenmarpro.com/bulletins/11009479), 2024-10-30: "Diesel Particulate Filter \(DPF\) Trying To Regen Too Frequent Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P2459 \- Diesel Particulate Filter Regeneration Too Frequent. Customers may also experience the following: ● Vehicle has entered engine performance de\-rate mode. NOTE: Engine performance de\-rate mode will occur when DTC P2459 has been set for a long period. This bulletin involves replacing the DPF if DTC P2459 is set."
- [11009477](https://open.wenmarpro.com/bulletins/11009477), 2024-10-30: "Diesel Particulate Filter \(DPF\) Trying To Regen Too Frequent Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P2459 \- Diesel Particulate Filter Regeneration Too Frequent. Customers may also experience the following: ● Vehicle has entered engine performance de\-rate mode. NOTE: Engine performance de\-rate mode will occur when DTC P2459 has been set for a long period. This bulletin involves replacing the DPF if DTC P2459 is set."
- [11008226](https://open.wenmarpro.com/bulletins/11008226), 2024-10-01: "Diesel Particulate Filter \(DPF\) Trying To Regen Too Frequent Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P2459 \- Diesel Particulate Filter Regeneration Too Frequent. Customers may also experience the following: ● Vehicle has entered engine performance de\-rate mode. NOTE: Engine performance de\-rate mode will occur when the DTC has been set for a long period. This bulletin involves replaceing the DPF if DTC P2459 is set."