P2222
NOx Sensor Heater Sense Circuit Range/Performance Bank 2
P2222 is an OBD-II diagnostic trouble code meaning: NOx Sensor Heater Sense Circuit Range/Performance Bank 2. Common causes: open or short circuit in the heater circuit, nox bank 2 sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Reduced engine power
- Dips during acceleration
- Software speed limit
Causes
- Open or short circuit in the heater circuit
- NOx Bank 2 sensor malfunction
- Problems with the relay or circuit fuse
- Corroded contacts or damaged wiring
- Engine ECU errors
How to Fix
- Check the integrity of the heater circuit
- Diagnose the status of the NOx sensor
- Check system fuses and relays
- Inspect connectors and wiring harness
- If necessary, replace the NOx sensor
Related codes
Error P2222 by Vehicle Brand
FAQ
What does the P2222 code mean?
P2222 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Heater Sense Circuit Range/Performance Bank 2
What causes a P2222 error code?
The most common causes of P2222 include: Open or short circuit in the heater circuit; NOx Bank 2 sensor malfunction; Problems with the relay or circuit fuse; Corroded contacts or damaged wiring.
How do I fix a P2222 diagnostic trouble code?
To fix P2222: Check the integrity of the heater circuit. Diagnose the status of the NOx sensor. Check system fuses and relays. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2222?
Yes, but get it checked soon
How much does it cost to fix P2222?
The estimated repair cost for P2222 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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