P2220
NOx Sensor Heater Control Circuit High Bank 2
P2220 is an OBD-II diagnostic trouble code meaning: NOx Sensor Heater Control Circuit High Bank 2. Common causes: nox sensor heating circuit open, sensor heating element malfunction. Estimated repair cost: $56–222.
Symptoms
- Check Engine Light Is On
- Possible reduction in engine power
- Increased fuel consumption
- Problems with passing inspection due to emissions
- In some cases - transition to emergency operation mode
Causes
- NOx sensor heating circuit open
- Sensor heating element malfunction
- Problems with the heating circuit relay or fuse
- Short circuit in wiring harness
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor heating circuit
- Measure the resistance of the sensor heating element
- Check fuses and relays associated with the heating circuit
- Inspect the wiring harness for damage
- If necessary, replace the NOx sensor
Related codes
Error P2220 by Vehicle Brand
FAQ
What does the P2220 code mean?
P2220 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Heater Control Circuit High Bank 2
What causes a P2220 error code?
The most common causes of P2220 include: NOx sensor heating circuit open; Sensor heating element malfunction; Problems with the heating circuit relay or fuse; Short circuit in wiring harness.
How do I fix a P2220 diagnostic trouble code?
To fix P2220: Check the integrity of the sensor heating circuit. Measure the resistance of the sensor heating element. Check fuses and relays associated with the heating circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2220?
Yes, but get it checked soon
How much does it cost to fix P2220?
The estimated repair cost for P2220 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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