P2222 — NOx Sensor Heater Sense Circuit Range/Performance Bank 2

What Does P2222 Mean?

P2222 is a diagnostic trouble code indicating: NOx Sensor Heater Sense Circuit Range/Performance Bank 2. This code relates to the powertrain system. It has been reported in NHTSA complaints across 1 different vehicle models.

Common Causes

🔍 Throttle body or throttle position sensor issue

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"MY 2009 FORD ESCAPE STALLED (ENGINE RUNNING BUT NO FORWARD MOTION AND NO RESPONSE TO ACCELERATOR) WHILE DRIVING. THIS HAPPENED WHILE ATTEMPTING TO ENTER HEAVY TRAFFIC. I WAS ALMOST REAR-ENDED BY ONCOMING VEHICLES. THE PROBLEM WAS DIAGNOSED AS A PROBLEM WITH THE THROTTLE BODY BY DEALER. I HAD TO "
— Ford Escape owner, 11/14/2012

"PETITION FOR DEFECT INVESTIGATION INTO MY 2005-2012 FORD ESCAPE VEHICLES FOR THROTTLE BODY FAILURES RESULTING IN A STALL WHILE DRIVING EVENT OR ENGINE SURGE EVENT *TGW ON OF THE COMPLAINANTS COMPLAINED OF A STUCK ACCELERATOR PEDAL. THE FAILURE WAS DIAGNOSED AS A FAILED THROTTLE BODY WITH ENGINE CO"
— Ford Escape owner, 09/01/2012

Source: NHTSA Complaints Database

Most Reported Vehicles for P2222

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	FORD ESCAPE

P2222 Reports by Vehicle

Detailed NHTSA complaint analysis for each vehicle model.

FORD ESCAPE

2 NHTSA reports · Peak: 2009

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
🔧 Test the relevant sensor(s) with a multimeter before replacing
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2222: NOx Sensor Heater Sense Circuit Range/Performance Bank 2