{"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,"replaces":null,"component":"ENGINE; POWER TRAIN","mfr_system":null,"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","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0032","P0038","P0052","P0058","P0129","P0132","P0138","P0152","P0158","P0300","P0301","P0302","P0303","P0304","P0305","P0306","P08A6","P1129","P152F","P2100","P2107"],"topics":[],"vehicles":[{"make":"JEEP","model":"GLADIATOR","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_jeep_gladiator"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}