# P0234 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 P0234

- [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.
- [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
- [11022175](https://open.wenmarpro.com/bulletins/11022175), 2025-08-27: Flash: Powertrain Control Module \(PCM\) Updates \*\*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P245D\-00 \- EGR Cooler Bypass Control Circuit High. ● P02E3\-00 \- Diesel Intake Air Flow Control Circuit High. ● P0490\-00 \- EGR Control Circuit High. ● P229F\-00 \- Aftertreatment NOX Sensor Circuit Performance \- Bank 1 Sensor 2. ● P0299\-00 \- Turbocharger Underboost. ● P242F\-00 \- Diesel Particulate Filter Restriction \- Ash Accumulation. ● P0128\-00 \- Thermostat Rationality. ● P0234\-00 \- Turbocharger Overboost Condition.\*\* Customers may also comment on one or more of the following: ● \*\*Engine speed unstable when vehicle is stationary, not in gear and running on high speed governor \(max engine speed\).\*\* ● Longer crank time than normal. ● Transmission overheat conditions with a message displayed in the Instrument Panel Cluster \(IPC\) stating "Transmission oil temperature is too hot" This bulletin involves reprogramming the Engine Control Module \(ECM/PCM\) with the latest available software.