{"vehicle":{"id":"2023_ram_2500","year":2023,"make":"Ram","model":"2500"},"code":"P0299","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"bulletins":[{"nhtsa_id":11035162,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-23","date":"2026-07-17","document_id":"08-272-26 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035162-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035162-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035162"},{"nhtsa_id":11035047,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-18","date":"2026-07-11","document_id":"08-272-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035047-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035047-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035047"},{"nhtsa_id":11029754,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-24","document_id":"09-003-26","mfr_campaign":null,"component":"ENGINE","summary":"Cummins 6.7L Air Filter Replacement DTC P0299 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0299-00 - Turbocharger Underboost. Customers may also comment on the following: ● Low power/acceleration or lag condition. This bulletin involves performing an Air Handling Performance Test (APT) and possibly replacing the air filter.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029754-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029754-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029754"},{"nhtsa_id":11025040,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-11-05","date":"2025-10-29","document_id":"9100678","mfr_campaign":null,"component":"ENGINE","summary":"1. General Parts Update The recommended air filter for 2019 Model Year (MY) and newer 6.7L Cummins equipped vehicles has been updated. New Part: 68645327AA (Non-Oiled Air Filter) Replaces: 53034051AA (Oiled Air Filter) - This part is superseded and should no longer be installed. The air filter for all other applications remains unchanged: Continue to use 68517554AA for: All 2018 MY and older 6.7L Cummins equipped vehicles. All 2019 MY and newer vehicles with non-6.7L engines. 2. Special Service Procedure for DTC P0299 Application: 2019-2024 MY HD Trucks with 6.7L Diesel (ETM/ETN) Condition: If DTC P0299 is active and the vehicle is equipped with the previous oiled air filter (PN# 53034051AA). Procedure: Replace the oiled air filter (53034051AA) with the new non-oiled filter (68645327AA). Service Catalog reflects these updated usages.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025040-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025040-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025040"},{"nhtsa_id":11024553,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-29","date":"2025-10-24","document_id":"08-350-25","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM","summary":"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","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024553-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024553-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024553"},{"nhtsa_id":11022175,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-27","date":"2025-08-23","document_id":"18-081-25","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022175-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022175-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022175"}],"url":"https://open.wenmarpro.com/makes/ram/2500/2023/bulletins?code=P0299"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/ram/2500/2023/codes/P0299","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}