{"vehicle":{"id":"2026_dodge_charger","year":2026,"make":"Dodge","model":"Charger"},"code":"P121B","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"bulletins":[{"nhtsa_id":11038311,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-07","date":"2026-10-03","document_id":"18-022-26 REV. F","mfr_campaign":null,"component":"POWER TRAIN","summary":"Flash: Powertrain Control Module (PCM) Updates PCR9A 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): ● **P032F-00 - Combustion Engine Producing Insufficient Torque. ● P2D28-00 - Cold Start Propulsion Torque Performance. ● U0075-00 - Control Module Communication Bus \"C\" Off. ● P0610-00 - Control Module Vehicle Options Error. ● P0630-00 - VIN Not Programmed or Incompatible - ECM/PCM. ● P0607-00 - Control Module Performance. ● P0513-00 - Incorrect Immobilizer Key. ● C0501-00 - Left Front Wheel Speed Sensor \"A\" Range/Performance. ● C0507-00 - Right Front Wheel Speed Sensor \"A\" Range/Performance. ● C050D-00 - Left Rear Wheel Speed Sensor \"A\" Range/Performance. ● C0513-00 - Right Rear Wheel Speed Sensor \"A\" Range/Performance. ● P0520-00 - Engine Oil Pressure Sensor/Switch \"A\" Circuit. ● P0139-00 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 2). ● P0159-00 - O2 Sensor Circuit Slow Response (Bank 2 Sensor 2).** ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. ● P0172-00 - System To Rich (Bank 1). ● P0175-00 - Fuel System 2/1 Rich. Customers may also comment on the following: ● Vehicle exhibits a no crank / no start condition. ● Exhaust pitch does not track with acceleration. **In addition, the following software enhancement(s) are available: ● Launch Control Feature improvements. ● Resolved \"Oil Level Low\" warning caused by parking on incline.** This bulletin involves inspecting and possibly reprogramming the PCM, TCM and ISCM with the latest available software","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038311-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038311-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038311"},{"nhtsa_id":11032977,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-28","date":"2026-05-21","document_id":"18-022-26 REV. E","mfr_campaign":null,"component":"POWER TRAIN; ENGINE","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): ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. Customers may also comment on the following: ● Vehicle exhibits a no crank / no start condition. ● Exhaust pitch does not track with acceleration. This bulletin involves inspecting and possibly reprogramming the PCM, TCM and ISCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032977-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032977-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032977"},{"nhtsa_id":11032325,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-06","date":"2026-05-01","document_id":"18-022-26 REV. D","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): ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. Customers may also comment on the following: ● Exhaust pitch does not track with acceleration.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032325-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032325-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032325"},{"nhtsa_id":11031225,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-10","date":"2026-04-01","document_id":"18-022-26 REV.B","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Control Module (PCM) 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): ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. Customers may also comment on the following: ● Exhaust pitch does not track with acceleration. statement and updated and additional Repair Procedure steps.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031225-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031225-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031225"},{"nhtsa_id":11030421,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-01","date":"2026-03-26","document_id":"18-022-26 REV.A","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 SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor.** ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. Customers may also comment on the following: ● Exhaust pitch does not track with acceleration. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030421-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030421-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030421"},{"nhtsa_id":11029677,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-17","document_id":"18-022-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE","summary":"Flash: Powertrain Control Module (PCM) Updates Customers 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): ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. Customers may comment on the following: ● Exhaust pitch does not track with throttle input. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029677-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029677-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029677"}],"url":"https://open.wenmarpro.com/makes/dodge/charger/2026/bulletins?code=P121B"},"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/dodge/charger/2026/codes/P121B","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."]}