{"vehicle":{"id":"2025_ram_3500","year":2025,"make":"Ram","model":"3500"},"code":"P20E8","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":7,"bulletins":[{"nhtsa_id":11030039,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-13","date":"2026-03-05","document_id":"S2625000001 REV.A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Active/Pending Diagnostic Trouble Code (DTC) P208B And/or P20E8 Setting In The Powertrain Control Module (PCM)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030039-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030039-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030039"},{"nhtsa_id":11029772,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-26","document_id":"S2625000002","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Malfunction Indicator Lamp (MIL) Illuminated, Diagnostic Trouble Codes (DTCs) P208B, P2D1F, P218F, P202E, P2048, P20E8, Setting In The Powertrain Control Module (PCM)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029772-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029772-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029772"},{"nhtsa_id":11029697,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-17","document_id":"S2625000001","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Active/Pending Diagnostic Trouble Code (DTC) P208B And/or P20E8 Setting In The Powertrain Control Module (PCM)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029697-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029697-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029697"},{"nhtsa_id":11029671,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-21","document_id":"08-076-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Diesel Exhaust Fluid Control Unit (DCU) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P20BC-00 - Reductant Suction Line Heater Control Circuit High. - in Active or Stored status. ● P202C-00 - Reductant Tank Heater Control Circuit High. - in Active or Stored status. ● P20E8-00 - Reductant Pressure Too Low. - in Active or Stored status. ● P209F-00 - Reductant Tank Heater Control Circuit Performance. - in Active or Stored status. ● P208B-00 - Reductant Pump 1 Control Performance. - in Active or Stored status.** ● P218F-00 - Reductant No Flow Detected. ● P249E-00 - Closed Loop SCR Reductant Injection Control At Limit - Flow Too High. **Customers may also comment one or more the following: ● \"Service Diesel Exhaust Fluid (DEF) System See Dealer\" message in the Electronic Vehicle Information Center (EVIC). NOTE: This message will appear after the DEF pump fails to build pressure, a fault is set and the message continues to be displayed for 80 km (50 mi) of driving. ● \"Speed Will Be Limited To 8 kph (5 mph)\" message displayed in the EVIC. CAUTION! If the vehicle is not taken to the dealership BEFORE reaching 241 km (150 mi) from when the \"Service Diesel Exhaust Fluid (DEF) System See Dealer\" message is displayed, the vehicles speed will be limited to 8 kph (5 mph).** ● Reduced acceleration from turbo. This bulletin involves inspecting and possibly reprogramming the DCU with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029671-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029671-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029671"},{"nhtsa_id":11028236,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-04","date":"2026-01-31","document_id":"18-009-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Powertrain Control Module (PCM) Updates V2C 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): ● P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. ● P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. ● P06BB-00 - Cylinder 3 Glow Plug Circuit Performance. ● P06BC-00 - Cylinder 4 Glow Plug Circuit Performance. ● P06BD-00 - Cylinder 5 Glow Plug Circuit Performance. ● P06BE-00 - Cylinder 6 Glow Plug Circuit Performance. ● P0263-00 - Cylinder 1 Contribution/balance. ● P0266-00 - Cylinder 2 Contribution-balance. ● P0269-00 - Cylinder 3 Contribution/balance. ● P0272-00 - Cylinder 4 Contribution/balance. ● P0275-00 - Cylinder 5 Contribution/balance. ● P0278-00 - Cylinder 6 Contribution/balance. ● P026B-00 - Injection Timing Performance. ● P020A-00 - Cylinder 1 Injection Timing. ● P020B-00 - Cylinder 2 Injection Timing. ● P020C-00 - Cylinder 3 Injection Timing. ● P020D-00 - Cylinder 4 Injection Timing. ● P020E-00 - Cylinder 5 Injection Timing. ● P020F-00 - Cylinder 6 Injection Timing. ● P0072-00 - Ambient Air Temperature Sensor Circuit \"A\" Low. ● P0087-00 - Fuel Rail Pressure Too Low. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. ● P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. ● P203F-00 - Reductant Level Too Low. ● P2698-00 - Exhaust Aftertreatment Fuel Injector \"A\" Performance. ● P1C54-00 - SCR NOX Catalyst Missing. ● P056E-00 - Cold Start Turbocharger/Supercharger Boost Control \"A\" Performance. ● P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. ● P1451-00 - Diesel Particulate Filter System Performance. M18 FSAR-TSB-6753 -2- ● P0234-00 - Turbocharger Overboost Condition. ● P20E8-00 - Reductant Pressure Too Low. ● P208B-00 - Reductant Pump 1 Control Performance. Customers may also comment on one or more of","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028236-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028236-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028236"},{"nhtsa_id":11024055,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-08","date":"2025-10-02","document_id":"18-075-25 REV. A","mfr_campaign":null,"component":"POWER TRAIN","summary":"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0263 - 00 Cylinder 1 Contribution/balance. ● P0266 - 00 Cylinder 2 Contribution-balance. ● P0269 - 00 Cylinder 3 Contribution/balance. ● P0272 - 00 Cylinder 4 Contribution/balance. ● P0275 - 00 Cylinder 5 Contribution/balance. ● P0278 - 00 Cylinder 6 Contribution/balance. ● P026B - 00 Injection Timing Performance. ● P020A - 00 Cylinder 1 Injection Timing. ● P020B - 00 Cylinder 2 Injection Timing. ● P020C - 00 Cylinder 3 Injection Timing. ● P020D - 00 Cylinder 4 Injection Timing. ● P020E - 00 Cylinder 5 Injection Timing. ● P020F - 00 Cylinder 6 Injection Timing. ● P06B9 - 00 Cylinder 1 Glow Plug Circuit Performance. ● P06BA - 00 Cylinder 2 Glow Plug Circuit Performance. ● P06BB - 00 Cylinder 3 Glow Plug Circuit Performance. ● P06BC - 00 Cylinder 4 Glow Plug Circuit Performance. ● P06BD - 00 Cylinder 5 Glow Plug Circuit Performance. ● P06BE - 00 Cylinder 6 Glow Plug Circuit Performance. ● P0072 - 00 Ambient Air Temperature Sensor Circuit \"A\" Low. ● P0087 - 00 Fuel Rail Pressure Too Low. ● P2540 - 00 Low Pressure Fuel System Sensor Circuit Range/Performance. ● P2543 - 00 Low Pressure Fuel System Sensor Circuit Intermittent. ● P20EE - 00 SCR NOX Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. ● P203F - 00 Reductant Level Too Low. ● P2698 - 00 Exhaust Aftertreatment Fuel Injector \"A\" Performance.** ● P1C54 - 00 SCR NOX Catalyst Missing. ● P056E - 00 Cold Start Turbocharger/Supercharger Boost Control \"A\" Performance. ● P242F - 00 Diesel Particulate Filter Restriction - Ash Accumulation. ● P1451 - 00 Diesel Particulate Filter System Performance. ● P0234 - 00 Turbocharger Overboost Condition. ● P20E8 - 00 Reductant Pressure Too Low. ● P208B - 00 Reductant Pump 1 Control Performance. Customers may also comment on one or more of the following: ● **Diesel Exhaust Fluid (DEF) level gauge inaccuracy. ● Poor cold start performance. ● Unable to initiate manual Diesel Particulate Filter (DPF) regen through EVIC.** ● Unable to engage Power Take-Off (PTO) in mobile condition while the vehicle is moving, but has no issue engaging PTO while the vehicle is stationary. ● Engine stalls under high PTO loads at high altitudes. ● PTO does not work during the split-shaft mode. ● Engine/Cab shake during engine shutdown. ● PTO light not blinking when PTO disengaged. ● Poor engine starting performance. ● DEF level gauge fluctuations. ● In cold conditions the engine automatically increases idle speed when in Park to help with warm-up. Once warmed up, it returns to normal idle speed. If the engine is cycling in and out of this elevated idle speed condition, the customer could complain that its not behaving properly. ● Poor alternator charging and battery life **This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.**","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024055-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024055-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024055"},{"nhtsa_id":11021561,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-06","date":"2025-08-01","document_id":"18-075-25","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P1C54-00 - SCR NOX Catalyst Missing. ● P056E-00 - Cold Start Turbocharger/Supercharger Boost Control \"A\" Performance. ● P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. ● P1451-00 - Diesel Particulate Filter System Performance. ● P0234-00 - Turbocharger Overboost Condition. ● P20E8-00 - Reductant Pressure Too Low. ● P208B-00 - Reductant Pump 1 Control Performance. Customers may also comment on one or more of the following: ● Unable to engage Power Take-Off (PTO) in mobile condition while the vehicle is moving, but has no issue engaging PTO while the vehicle is stationary. ● Engine stalls under high PTO loads at high altitudes. ● PTO does not work during the split-shaft mode. ● Engine/Cab shake during engine shutdown. ● PTO light not blinking when PTO disengaged. ● Poor engine starting performance. ● Diesel Exhaust Fluid (DEF) level gauge fluctuations. ● In cold conditions the engine automatically increases idle speed when in Park to help with warm-up. Once warmed up, it returns to normal idle speed. If the engine is cycling in and out of this elevated idle speed condition, the customer could complain that its not behaving properly. ● Poor alternator charging and battery life This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021561-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021561-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021561"}],"url":"https://open.wenmarpro.com/makes/ram/3500/2025/bulletins?code=P20E8"},"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/3500/2025/codes/P20E8","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."]}