P0720 on Ford Mustang
Output Shaft Speed Sensor Circuit
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Ford Mustang context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0720.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
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 P0720 Means on Your Ford Mustang
P0720 is a diagnostic trouble code indicating: Output Shaft Speed Sensor Circuit. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Ford Mustang Owner Reports
Source: NHTSA Complaints Database
"The contact owns a 2012 Ford Mustang. The contact stated that while driving 55 MPH, the transmission unexpectedly downshifted to first gear and the vehicle's rear tires ceased. Additionally, the speedometer failed."
"2013 Mustang V6, 6R80 Automatic Transmission. Lead frame is failing, I am getting code P0720. My vin falls outside of the recall, so I have to spend $850 to get lead frame fixed. Airbag light turns on, dashes through my odometer, and car stays stuck in 5th gear until I cycle key."
"I have a 2013 Ford Mustang V6 coupe with Automatic transmission. I purchased the car Certified Pre Owned through Ken Grody Ford in Carlsbad, CA with Less then ~11,000 miles on it in 2/2014. I have been complaining of a jerk/ knock at ~ 1-1."
"In a nut shell, look up ford tsbs: 13-4-9 and 13-6-8. 2013 mustang, 65,700 miles, with 6-speed auto (6r80) transmission will suddenly get stuck in 5th gear when starting or when cruising at highway speeds."
"Was driving my 2013 mustang home from my parents house the car didn't want to shift or move even at full throttle stop in the middle of the road shut the vehicle off and restarted it drove home just fine."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Ford Mustang
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.