{"vehicle":{"id":"2022_jeep_gladiator","year":2022,"make":"Jeep","model":"Gladiator"},"code":"P0300","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":11031449,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-22","date":"2026-04-17","document_id":"18-007-26 REV B","mfr_campaign":null,"component":"ENGINE; POWER TRAIN","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): ● **P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating). ● P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating). ● P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating). ● P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating). ● P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating). ● P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating).** ● P0300 - Multiple Cylinder Misfire. ● P0032 - O2-Sensor 1/1 Heater Circuit High. ● P0038-02 - O2-Sensor 1/2 Heater Circuit High. ● P0052-02 - O2-Sensor 2/1 Heater Circuit High. ● P0058-02 - O2-Sensor 2/2 Heater Circuit High. ● P0132-02 - O2 Sensor 1/1 Circuit High. ● P0138-02 - O2 Sensor 1/2 Circuit High. ● P0152-02 - O2 Sensor 2/1 Circuit High. ● P0158-02 - O2 Sensor 2/2 Circuit High. ● P2100 - Electronic Throttle Control Motor Circuit. ● P2107 - Electronic Throttle Control Module Processor. ● P0129 - Barometric Pressure Out Of Range Low. China Market Only ● P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. (Manual Transmission Only). ● P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. Customers may also comment on one or more of the following: ● **The vehicle has a rough idle. ● The engine has a miss. ● Noisy valvetrain.** J18 FSAR-TSB-7200 -2- ● \"Service Transmission\" message in the Instrument Panel Cluster (IPC) due to clutch slip detection with the transfer case in neutral (Manual Transmission Only). NOTE: Customers might experience wheel spin or slippage and the PCM could","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031449-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031449-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031449"},{"nhtsa_id":11030229,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-25","date":"2026-03-21","document_id":"18-044-26","mfr_campaign":null,"component":"ENGINE","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): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) ● P0072-00 - Ambient Air Temperature Sensor Circuit \"A\" Low. (In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit \"A\" High. (In Active or Stored status) ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or. (In Active or Stored status) ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor \"B\" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030229-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030229-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030229"},{"nhtsa_id":11004841,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-17","date":"2024-07-10","document_id":"18-061-24","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 must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2463 - Particulate Filter Restriction - Soot Accumulation Bank 1. (EE Market Only)** ● P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. ● P025C - Fuel Pump Module Control Circuit Low. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P0305-00 - Cylinder 5 Misfire. ● P0403-00 - EGR Control Circuit Open (Disabled Fault). ● P208B - Reductant Pump 1 Control Performance. Other Software enhancements: ● Low speed engine idle improvements. ● Improved engine restart performance and torque response during low fuel level and/or hot ambient conditions. This bulletin involves reprogramming the PCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11004841-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11004841-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11004841"},{"nhtsa_id":10229784,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-17","date":"2022-12-01","document_id":"18-071-22 REV. C","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; BACK OVER PREVENTION; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: P0300 - Multiple Cylinder Misfire. P0032 - O2-Sensor 1/1 Heater Circuit High. P0038 - O2-Sensor 1/2 Heater Circuit High. P0052 - O2-Sensor 2/1 Heater Circuit High. P0058 - O2-Sensor 2/2 Heater Circuit High. P0132 - O2 Sensor 1/1 Circuit High. P0138 - O2 Sensor 1/2 Circuit High. P0152 - O2 Sensor 2/1 Circuit High. P0158 - O2 Sensor 2/2 Circuit High. P2100 - Electronic Throttle Control Motor Circuit. P2107 - Electronic Throttle Control Module Processor.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229784-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229784-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229784"}],"url":"https://open.wenmarpro.com/makes/jeep/gladiator/2022/bulletins?code=P0300"},"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/jeep/gladiator/2022/codes/P0300","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."]}