Service bulletin 18-108-25
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11026686 |
| Published by NHTSA | 2025-12-17 |
| Manufacturer's number | 18-108-25 |
| Manufacturer's date | 2025-12-13 |
| NHTSA component | ENGINE; ELECTRICAL SYSTEM |
NHTSA's summary
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 comment on one or more of the following: ● Fuel Door will not open due to intermittent Fuel Tank Isolation Valve (FTIV) Stuck Open. ● Reduced fuel efficiency. In addition, the following software enhancement is available: ● Hood Switch changes. This bulletin involves reprogramming the PCM, HCP and AHCP, also known as the Power Inverter Module (PIM) with the latest available software.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine
Trouble codes named
P1D83, P2450
| JEEP WRANGLER 4XE | 2022 (the catalog's model; the bulletin names a series or trim of it) |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V741000 | 2025-10-30. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
|---|---|
| 24V720000 | 2024-09-27. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
| 24V652000 | 2024-09-05. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| 23V787000 | 2023-11-22. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
| 23V303000 | 2023-04-27. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
| 22V865000 | 2022-11-23. ENGINE |
| 2022584 | 2022-10-14. Engine |
| 22V768000 | 2022-10-13. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY |
| 22V767000 | 2022-10-13. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2608000038 | 2026-10-16. Service bulletin. High Voltage Battery Has Lower SOC After Overnight Sleep Cycle |
|---|---|
| 08-367-26 | 2026-10-16. Service bulletin. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software. |
| S2608000038 | 2026-10-16. Service bulletin. High Voltage Battery Has Lower SOC After Overnight Sleep Cycle |
| 08-367-26 | 2026-10-16. Service bulletin. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software. |
| 9100900 | 2026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. |
| 9100363 Rev 3 | 2026-09-03. Service bulletin. Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for: Noise/Rattle: Inspect heat shield fasteners for looseness and check the wastegate actuator/linkage for binding. The actuator kit is serviced separately. Oil Leak: Inspect the turbo oil feed O-ring area for leaks. O-ring is serviced separately. |
| 16C Combo Rev3 | 2026-08-13. Warranty extension. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL and cargo lamp indicator function are swapped. (JL) vehicles: CEL/MIL will not turn on. The CEL/MIL in and of itself will not affect emissions. However, if there was an emission issue that would require illumination of the CEL/MIL, the customer would not be alerted. The vehicle would be non-compliant to the OBD II regulation. |
| 113271 | 2026-07-18. Service bulletin. CORE – HEATER |
| 113270 | 2026-07-18. Service bulletin. CORE – HEATER |
| 112639 | 2026-07-08. Service bulletin. THROTTLE BODY – NONE |