Service bulletins for the 2015 Jeep Patriot
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.
124 on file from NHTSA, as of 2026-10-19.
About P0456 on the 2015 Jeep Patriot: 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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| 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 |
| 18-044-16 | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: **P0335 - Crankshaft Position Sensor Circuit. P0456 - Evap System Small Leak.** P219A - Bank 1 Air Fuel Ratio Imbalance. P050B - Cold Start Ignition Timing Performance. Other software enhancements included that will address some customers concerns: · **Cruise control acceleration rate may be considered objectionable to some customers if the accel button is held down. · Engine is hard to start at temperatures -29°C (-20°F) for vehicles utilizing E15 fuel only.** |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.