Service bulletins for the 2023 Jeep Gladiator
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.
378 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 111833 | 2026-05-20. Service bulletin. ELECTRICAL SYSTEM. SENSOR – KNOCK |
|---|---|
| 08-208-26 REV. A | 2026-05-20. Service bulletin. ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle. |
| 08-208-26 | 2026-05-20. Service bulletin. ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle |
| 08-208-26 | 2026-05-13. Service bulletin. ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle |
| 18-045-26 | 2026-04-22. Service bulletin. POWER TRAIN; ENGINE. 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): ● **P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating). ● 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).** ● P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. ● P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. ● P0152-02 - O2 Sensor 2/1 Circuit High. ● P0158-02 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - Battery/System Voltage High. Customers may also comment on one or more of the following: ● **The vehicle has a rough idle. ● The engine has a miss. ● Noisy valvetrain. ● "Service Transmission" message in the Instrument Panel Cluster (IPC) due to clutch slip detection with the transfer case in neutral. NOTE: Some customers may experience wheel spin or traction loss. In these situations, the Powertrain Control Module (PCM) may interpret the event as excessive clutch slip. To prevent potential clutch damage, a message may be displayed in the Instrument Panel Cluster (IPC).** ● Clutch is overheating. ● Clutch is slipping on engagement. M18 FSAR-TSB-7161 -2- ● Inability to accelerate uphill. ● Vehicle does not start. ● Vehicle is stuck in limp-home mode |
| S2623000018 | 2026-04-01. Service bulletin. STRUCTURE:BODY. Wind Noise From Hard Top Freedom Panels Near Rear View Mirror While Driving. |
| 08-128-26 | 2026-03-25. Service bulletin. ELECTRICAL SYSTEM; STEERING. Flash: Comfort Seat And Wheel (CSWM) Updates The customer may experience the following: SYMPTOM: ● Heated Steering Wheel does not get hot enough or does not work. This bulletin involves reprogramming the CSWM with the latest available software. |
| 08-128-26 | 2026-03-25. Service bulletin. STEERING; ELECTRICAL SYSTEM. Flash: Comfort Seat And Wheel (CSWM) Updates The customer may experience the following: SYMPTOM: ● Heated Steering Wheel does not get hot enough or does not work. This bulletin involves reprogramming the CSWM with the latest available software. |
| S2608000010 | 2026-03-13. Service bulletin. ELECTRICAL SYSTEM. Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00, B1A16-00, and B1A17-00 in The Radio Frequency Hub (RFH) |
| S1408000384 REV.J | 2026-03-13. Service bulletin. ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| 110610 | 2026-03-13. Service bulletin. ELECTRICAL SYSTEM. LAMP - TAIL |
| 110607 | 2026-03-13. Service bulletin. ELECTRICAL SYSTEM. LAMP - TAIL |
| 23-005-26 | 2026-03-13. Service bulletin. STRUCTURE:BODY. Windshield Wiper Blade Maintenance Customers may experience one or more of the following: SYMPTOM: ● Wiper blades that chatter/streak/jump/skip/smear or make noise while traveling across the windshield. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC. |
| 110399 | 2026-03-06. Service bulletin. STRUCTURE:BODY. HANDLE - INSIDE RELEASE |
| S2603000001 | 2026-03-05. Service bulletin. POWER TRAIN. A suspected leak may be noticed on the front or rear axle pinion seal. |
| S2621000003 | 2026-03-05. Service bulletin. POWER TRAIN. Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13. |
| 110400 | 2026-03-05. Service bulletin. STRUCTURE:BODY. HANDLE - INSIDE RELEASE |
| S228A000025 REV.A | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Harman R1H Uconnect 5 Radio Software Flash Error Codes |
| S2423000027 REV.D | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Horn Sound Is Weak, Off Tone, Inoperative, Or Intermittent. |
| 110431 | 2026-03-05. Warranty extension. STRUCTURE:BODY. FCA Caribbean Warranty Newsletter – Volume 12, Issue 2 |
| 110429 | 2026-03-05. Warranty extension. STRUCTURE:BODY. Warranty Newsletter – Volume 12, Issue 2 |
| 110469 | 2026-03-05. Warranty extension. STRUCTURE:BODY. ID-25-11 Rev. B Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles |
| 110462 | 2026-03-05. Warranty extension. STRUCTURE:BODY. D-25-15 Rev. B Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles |
| 31-001-26 | 2026-03-05. Service bulletin. STRUCTURE:BODY. Door Hem Aluminum Body Panel Corrosion Repair Customers may experience the following: SYMPTOM: ● Filifom corrosion at the hem area of the door. This bulletin involves removing corrosion and refinishing the hem area on the vehicle door. |
| 31-001-26 REV.A | 2026-03-05. Service bulletin. STRUCTURE:BODY. Door Hem Aluminum Body Panel Corrosion Repair Customers may experience the following: SYMPTOM: ● Filifom corrosion at the hem area of the door. This bulletin involves removing corrosion and refinishing the hem area on the vehicle door. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.