If your 2022 Jeep Compass is displaying a P0305 code indicating a cylinder 5 misfire, this code requires diagnostic investigation. The 2022 Compass uses a 2.4L Tigershark four-cylinder engine as its sole powertrain. With only four cylinders numbered 1-4, P0305 is technically anomalous.
2022 Compass Powertrain
The second-generation 2022 Compass uses the 2.4L Tigershark I-4 producing 177 horsepower across all trims. This is the only engine available. No V6 or larger engine has ever been offered in the Compass.
Why P0305 Cannot Be Valid
The Compass's 2.4L engine has exactly four cylinders. A P0305 code references a non-existent cylinder 5, indicating a diagnostic error rather than an actual misfire.
Possible Causes
ECM software issues can store invalid codes. Scan tool communication errors may misread data. Low 12-volt battery voltage affects computer reliability. Aftermarket diagnostic tools may have compatibility issues with Jeep/Stellantis systems.
Diagnostic Recommendations
Use a Stellantis-compatible scan tool to verify codes. Test battery condition. If actual misfire symptoms exist, focus on cylinders 1-4. Clear the erroneous code and monitor.