Service bulletins for the 2017 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.
142 on file from NHTSA, as of 2026-10-19.
About P0456 on the 2017 Jeep Wrangler: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0456 are shown. Show all
| 1804823 | 2023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
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| 9003665 | 2022-10-31. Service bulletin. FUEL SYSTEM, GASOLINE; STRUCTURE. Fuel Tank and Fuel Evap System Components 1) For JK MIL On ? P0441: Before replacing this part due to fault code P0441, check for restriction due to plastic over-flash in the Purge Hose Port of the Intake Manifold. If there is flash in the Purge Hose Port of the Intake Manifold and the vehicle is 2016 MY then replace the Intake Manifold and send to QEC. Otherwise, remove the flash with a 5/32? drill bit and clean the Intake Manifold of any flash debris. If the fault code P0441 continues after repairing the Intake Manifold, then send Freeze Frame data of P0441 to Michael.Ade@FCAgroup.com and contact Sylvia Lopez at cell number (248) 520-9734. If you don`t receive response within 15 minutes, please continue with the normal repair procedure. 2) For RT MIL On ? P0456: If ESIM needs to be replaced for fault code P0456, check the Vapor Line, Fresh Air Filter and the Black Frame Rail Blocker for water ingestion. If water ingestion is found, then replace the ESIM part number 04861962AB and the Jumper, Vent Recirculation Tube part number 04721757AI. Please contact Release Engineer Alfredo Salituro @ 213-700-5359 before performing repair service. If you do not receive a response within 15 minutes, please continue with the normal repair procedure. |
| 1808919 | 2022-09-15. Service bulletin. ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
| 18-089-19 | 2019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.