Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2022 Jeep Compass RedFACTORY OEM SERVICE PROCEDURE
2.4L - DTCS P2172 To P2308
- DTC Troubleshooting
- P2172-High Airflow/Vacuum Leak Detected (Instantaneous Accumulation)
- P2173-High Airflow/Vacuum Leak Detected (Slow Accumulation)
- P2174-Low Airflow/Restriction Detected (Instantaneous Accumulation)
- P2181-Cooling System Performance
- P219A-Bank 1 Air-Fuel Ratio Imbalance
- P2226-Barometric Pressure Sensor
- P2228-Barometric Pressure Circuit Low
- P2229-Barometric Pressure Circuit High
- P2237-O2 Sensor 1/1 Pump Cell Current Circuit/Open
- P2238-O2 Sensor 1/1 Pump Cell Current Circuit Low
- P2239-O2 Sensor 1/1 Pump Cell Current Circuit High
- P2243-O2 Sensor 1/1 Reference Voltage Circuit/Open
- P2244-O2 Sensor 1/1 Reference Voltage Performance
- P2245-O2 Sensor 1/1 Reference Voltage Circuit Low
- P2246-O2 Sensor 1/1 Reference Voltage Circuit High
- P2251-O2 Sensor 1/1 Negative Current Control Circuit/Open
- P2252-O2 Sensor 1/1 Negative Current Control Circuit Low
- P2253-O2 Sensor 1/1 Negative Current Control Circuit High
- P2271-O2 Sensor 1/2 Signal Biased Rich
- P2299-Brake Pedal Position / Accelerator Pedal Position Incompatible
- P2302-Ignition Coil 1 Secondary Circuit - Insufficient Ionization
- P2305-Ignition Coil 2 Secondary Circuit - Insufficient Ionization
- P2308-Ignition Coil 3 Secondary Circuit - Insufficient Ionization
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.