P2224
NOx Sensor Heater Sense Circuit High Bank 2
P2224 is an OBD-II diagnostic trouble code meaning: NOx Sensor Heater Sense Circuit High Bank 2. Common causes: open or short circuit in nox sensor heating circuit, nox sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Deterioration of vehicle dynamics
- Increased fuel consumption
- Possible problems with passing the environmental test
- Noisy engine operation
Causes
- Open or short circuit in NOx sensor heating circuit
- NOx sensor malfunction
- Problems with wiring harness or contacts
- Engine control unit malfunction
- Corrosion of electrical connections
How to Fix
- Check the continuity of the NOx sensor heating circuit
- Check the resistance of the sensor heating element
- Inspect electrical connections and connectors for corrosion
- If necessary, replace the NOx sensor
- Check and, if necessary, update the ECU software
Related codes
Error P2224 by Vehicle Brand
FAQ
What does the P2224 code mean?
P2224 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Heater Sense Circuit High Bank 2
What causes a P2224 error code?
The most common causes of P2224 include: Open or short circuit in NOx sensor heating circuit; NOx sensor malfunction; Problems with wiring harness or contacts; Engine control unit malfunction.
How do I fix a P2224 diagnostic trouble code?
To fix P2224: Check the continuity of the NOx sensor heating circuit. Check the resistance of the sensor heating element. Inspect electrical connections and connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2224?
Yes, but get it checked soon
How much does it cost to fix P2224?
The estimated repair cost for P2224 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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