If your 2022 Hyundai Santa Fe is displaying a P0305 code indicating a cylinder 5 misfire, this code requires diagnostic investigation. The 2022 Santa Fe offers only four-cylinder powertrains: the 2.5L naturally aspirated, 2.5L turbo, and 1.6L turbo hybrid. With only four cylinders, P0305 is technically anomalous.
2022 Santa Fe Powertrain Options
The 2022 Santa Fe received updated engines including the 2.5L Smartstream I-4 (191 hp), 2.5L Turbo I-4 (281 hp on Calligraphy), and 1.6L Turbo Hybrid (226 hp). All are four-cylinder configurations with no V6 option.
Understanding the Anomalous Code
Since the 2022 Santa Fe has exactly four cylinders regardless of powertrain, a P0305 code cannot represent an actual cylinder 5 misfire. This is an erroneous diagnostic code.
Possible Causes
ECM software issues can store invalid codes. Scan tool communication errors may misread data. Low 12-volt battery voltage affects computer reliability—especially in hybrid models. Aftermarket tools may have compatibility issues.
Diagnostic Steps
Use a Hyundai GDS or 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.