P0223 — Throttle/Pedal Position Sensor/Switch B Circuit High

What Does P0223 Mean?

P0223 is a diagnostic trouble code indicating: Throttle/Pedal Position Sensor/Switch B Circuit High. This code relates to the fuel injection system. It has been reported in NHTSA complaints across 2 different vehicle models.

Symptoms of P0223

⚠️ Failure to accelerate

P0223 Reports by Year

2022

1

2016

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"While driving down the high way car began to sputter and jolt felt much like someone slamming on brakes aggressively and then releasing and motor stopped completely. Was able to pull over and put hazards on. After running diagnostics test discovered that the TAC system was faulty. Codes: P0122 , P02"
— Ford Fusion owner, 06/03/2022

"I HAVE BEEN EXPERIENCING RECURRING ISSUES INVOLVING THE GAS PEDAL FAILING TO WORK IN MY 2008 NISSAN ALTIMA. WHETHER ON THE HIGHWAY, AT A STOP SIGN, OR MERGING ONTO A HIGHWAY THE GAS PEDAL WILL UNEXPECTEDLY FAIL TO ACCELERATE THE VEHICLE. I WILL PRESS THE PEDAL WITH ABSOLUTE NO ACCELERATION FROM TH"
— Nissan Altima owner, 03/01/2016

Source: NHTSA Complaints Database

Most Reported Vehicles for P0223

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	FORD FUSION
2	NISSAN ALTIMA

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
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.

P0223: Throttle/Pedal Position Sensor/Switch B Circuit High