Service bulletins for the 2021 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.
700 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 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 |
| 110399 | 2026-03-06. Service bulletin. STRUCTURE:BODY. HANDLE - INSIDE RELEASE |
| 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 |
| 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. |
| 18-006-26 REV.A | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM; 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): ● P08A6 - Gear Lever Position Sensor System – Multiple Sensor Correlation (Manual Transmission Only). ● P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. ● P0300 - Multiple Cylinder Misfire. ● P152E - Engine Hood Switch 2 Circuit High. ● 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 Customers may also comment on one or more of the following: ● "Service Transmission” message on in the Instrument Panel Cluster (IPC) due to clutch slip detection (Manual Transmission Only). NOTE: Customers might experience wheel spin or slippage and the PCM could interpreted the wheel spin or slippage as slipping the clutch too much and to avoid clutch damage, the customer may see the message in the IPC. ● Vehicle is in limp home mode. ● Spark knock/detonation sound from the engine at idle. Other software enhancements included: ● Engine oil pump in high pressure mode with cold engine oil to improve valvetrain component reliability. This bulletin involves reprogramming the PCM with the latest available software. |
| S1408000384 REV.I | 2026-02-19. 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 |
| S2623000006 | 2026-02-19. Service bulletin. ELECTRICAL SYSTEM. Washer Fluid Warning Lamp Illuminated When Reservoir Is Full |
| 16C Combo REV1 | 2026-02-19. Warranty extension. ELECTRICAL SYSTEM. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp Reference: 16C |
| 9100756 | 2026-02-19. Service bulletin. SUSPENSION. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in January 2026 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm |
| 9100756 | 2026-02-04. Service bulletin. SUSPENSION. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in December 2025 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm |
| 18-006-26 | 2026-02-04. Service bulletin. ELECTRICAL SYSTEM. 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): ● **P08A6 – Gear Lever Position Sensor System – Multiple Sensor Correlation (Manual Transmission Only). ● P152F – Engine Hood Switch 2 / Engine Hood Switch 1 Correlation.** ● P0300 - Multiple Cylinder Misfire. ● P152E - Engine Hood Switch 2 Circuit High. ● 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 Customers may also comment on one or more of the following: ● **"Service Transmission” message on in the Instrument Panel Cluster (IPC) due to clutch slip detection (Manual Transmission Only). NOTE: Customers might experience wheel spin or slippage and the PCM could interpreted the wheel spin or slippage as slipping the clutch too much and to avoid clutch damage, the customer may see the message in the IPC. ● Vehicle is in limp home mode.** ● Spark knock/detonation sound from the engine at idle. **Other software enhancements included: ● Engine oil pump in high pressure mode with cold engine oil to improve valvetrain component reliability.** This bulletin involves reprogramming the PCM with the latest available software. |
| 9004281 | 2026-01-21. Service bulletin. ELECTRICAL SYSTEM. Before replacing bluetooth speaker for not charging or battery is dead, please refer to SOL #S248A000019 - Jeep Bluetooth Speaker Does Not Charge |
| 109281 | 2026-01-14. Service bulletin. STRUCTURE:BODY. CENTER STACK – NONE |
| 109224 | 2025-12-23. Service bulletin. AIR BAGS; STRUCTURE:BODY. DOOR - PASSENGER AIR BAG |
| 109223 | 2025-12-23. Service bulletin. STRUCTURE:BODY. BEZEL - INSTRUMENT PANEL |
| 16C Combo | 2025-12-17. Emissions. ELECTRICAL SYSTEM. Check Engine/Malfunction Indicator Lamp 16C |
| 9100736 | 2025-12-17. Service bulletin. ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.