P0223: Throttle/Pedal Position Sensor/Switch B Circuit High
Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
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
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?
Will this code clear itself?
How do I find the exact cause?
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)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.