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Service bulletins for the 2022 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.

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

About P0304 on the 2022 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: P0304 are shown. Show all

Bulletins, newest first
14-003-262026-03-18. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Not applicable to vehicles built for US market. Fuel Injector Leak 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): ● **P1336-00 - Multiple Cylinder Misfire. ● P1337-00 - Cylinder 1 Misfire. ● P1338-00 - Cylinder 2 Misfire. ● P1339-00 - Cylinder 3 Misfire. ● P1340-00 - Cylinder 4 Misfire.** ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise. , Diagnostic section, Repair Procedure, additional Claims Data Note, Special Tool and Reading Defects and Cleaning Procedure Of
14-009-25 REV. D2025-12-23. Service bulletin. FUEL/PROPULSION SYSTEM. Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.
14-009-25 REV. C2025-12-23. Service bulletin. FUEL/PROPULSION SYSTEM. Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.
14-009-25 REV. B2025-11-13. Service bulletin. FUEL/PROPULSION SYSTEM. Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.
09-026-252025-09-10. Service bulletin. ENGINE. Not applicable to vehicles built for US market. Spark Plug Melting Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300 -00 - Random/Multiple Cylinder - Misfire Detected. ● P0301 -00 - Cylinder 1 - Misfire Detected. ● P0302 -00 - Cylinder 2 - Misfire Detected. ● P0303 -00 - Cylinder 3 - Misfire Detected. ● P0304 -00 - Cylinder 4 - Misfire Detected. ● P1336 -00 - Combustion misfiring (impact on catalytic converter) : Cylinder undetermined. ● P1337 - Combustion misfiring (impact on catalytic converter) : Cylinder 1. ● P1338 - Combustion misfiring (impact on catalytic converter) : Cylinder 2. ● P1339 - Combustion misfiring (impact on catalytic converter) : Cylinder 3. ● P1340 - Combustion misfiring (impact on catalytic converter) : Cylinder 4. Customers may also experience one or more of the following: ● Engine makes a loud metallic knocking noise at idle. ● Difficulty starting. ● Rough and noisy idle This bulletin involves inspecting for DTCs, inspecting for engine leaks and/or damage, and replacing the spark plugs.
14-009-25 REV. A2025-05-09. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise. This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.
14-009-252025-04-08. Service bulletin. FUEL/PROPULSION SYSTEM. "Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise. This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube."

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