WenmarOpen by Wenmar Pro

Service bulletins for the 2015 Jeep Compass

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.

176 on file from NHTSA, as of 2026-10-19.

About P0456 on the 2015 Jeep Compass: 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

Bulletins, newest first
18048232023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
18044162022-10-24. Service bulletin. PARKING BRAKE; BACK OVER PREVENTION; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. 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.**
18089192022-09-15. Service bulletin. ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
18-044-162018-06-04. 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.**
18-048-16 REV. A2017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available 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.The following software enhancement is also available: Engine is hard to start at temperatures -29°C (-20°F) for vehicles utilizing E15 fuel only (Sales Code ECN). Cruise control acceleration rate may be considered objectionable to some customers if the accel button is held down.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.