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P2200: NOx Sensor Circuit Bank 1 Sensor 1

Severity
Low
NHTSA Reports
1
Vehicles Affected
1
System
Powertrain

What Does P2200 Mean?

P2200 is a diagnostic trouble code indicating: NOx Sensor Circuit Bank 1 Sensor 1. This code relates to the powertrain system. It has been reported in NHTSA complaints across 1 different vehicle models.

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"Driving uphill when the car suddenly jolted, lost power, and all warning lights became illuminated. All safety features were disabled as well. The sudden stop almost resulted in being rear ended and the car was barely drivable afterwards. Diagnostic trouble codes: P26A6, P2004, P2005, P060B, P0191, "

— Subaru Forester owner, 02/01/2023

Source: NHTSA Complaints Database

Most Reported Vehicles for P2200

Based on NHTSA owner complaint data.

# Vehicle Reports
1 SUBARU FORESTER

Frequently Asked Questions

Can I drive with this code?
It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.
Will this code clear itself?
Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.
How do I find the exact cause?
A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

  • 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
  • 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

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