Service bulletins for the 2023 Jeep Wrangler
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.
527 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| S2623000006 | 2026-02-19. Service bulletin. ELECTRICAL SYSTEM. Washer Fluid Warning Lamp Illuminated When Reservoir Is Full |
|---|---|
| S2108000121 REV.B | 2026-02-19. Service bulletin. ELECTRICAL SYSTEM. Check Engine Light On And Service Hybrid System Displayed. P0A0A-00 High Voltage System Interlock Circuit “A” Is Active |
| 109607 | 2026-02-19. Service bulletin. SERVICE BRAKES. CALIPER ASSEMBLY - DISC BRAKE |
| 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 |
| 08-039-26 | 2026-02-12. Service bulletin. ELECTRICAL SYSTEM. Flash: Battery Pack Control Module (BPCM) 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): ● P0B28-00 - Hybrid/EV Battery “B” Voltage Unstable. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance. Customers may also comment on the following: ● Vehicle does not start. NOTE: The no start condition is accompanied with the following DTCs: P0DAB-00, P0607-00, P0AA1-00, P0AA4-00, P0C78-00, P0CA6-00, P0B24-00 and/or P1C5E-00. P0B28-00 will result in a MIL for 49 days. After 49 days of the MIL, the vehicle will no longer be allowed to start. This bulletin involves reprogramming the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules |
| S2607000002 | 2026-02-12. Service bulletin. ENGINE. Hemi Water Pump Coolant Leak Inspection |
| 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 |
| 109820 | 2026-02-04. Service bulletin. STRUCTURE:BODY. SEAL - ROOF RAIL |
| 109822 | 2026-02-04. Service bulletin. STRUCTURE:BODY. SEAL - ROOF RAIL |
| 109727 | 2026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover |
| 109724 | 2026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover |
| 9100749 Rev 1 | 2026-01-21. Service bulletin. POWER TRAIN. We have observed that some JL/JT rear axle shafts are leaking oil. Replace axle shaft and seal together. Do not replace seal only. Keep original seal and axle shaft and send the parts as fast track. |
| 109281 | 2026-01-14. Service bulletin. STRUCTURE:BODY. CENTER STACK – NONE |
| 9100749 | 2026-01-14. Service bulletin. POWER TRAIN. axle seal We have observed that some JL/JT rear axle shafts are leaking oil. Replace axle shaft and seal together. Do not replace seal only. Keep original seal and axle shaft and send the parts as fast track. |
| 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 |
| 18-107-25 | 2025-12-17. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ● P2450 - Fuel Tank Isolation Valve Stuck Open. ● P1D83 - Implausible Engine Oil Temperature Signal Received. Customers may experience one or more of the following: ● Fuel Door will not open due to intermittent Fuel Tank Isolation Valve (FTIV) Stuck Open. ● Reduced fuel efficiency.** ● Excessive oil life degradation shown when viewing fuel and oil data screen. **In addition, the following software enhancement is available: ● Hood Switch changes.** This bulletin involves reprogramming the PCM with the latest available software |
| 08-394-25 REV. A | 2025-12-17. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure. |
| 9100734 | 2025-12-17. Service bulletin. ELECTRICAL SYSTEM. If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347 |
| 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 |
| S2523000096 | 2025-12-17. Service bulletin. ELECTRICAL SYSTEM. CEL (Check Engine Lamp)/ Brake lamp Illuminated. Diagnostic Trouble Code (DTC) P083F- Clutch Pedal Position Sensor Performance. |
| 108544 | 2025-12-11. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. SWITCH - POWER WINDOW |
| S1819000004 REV.R | 2025-12-11. Service bulletin. WHEELS; STEERING; SUSPENSION. Shimmy Felt In Front End |
| 08-394-25 | 2025-12-11. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure |
| 108657 | 2025-11-26. Warranty extension. UNKNOWN OR OTHER. ID-25-11 Rev. A Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.