Ask Andy AIP0720 Output Speed Sensor Circuit Malfunction
What it means, what causes it, and what it costs to fix.
What P0720 means
The transmission output speed sensor signal is missing or erratic.
Can I drive with P0720?
Severity: Medium. Fix soon so it doesn't turn into something bigger.
Drive gently. Shifting and the speedometer may be affected.
Get a diagnosis for your exact car
Tell Andy your year, make, model, and symptoms. You'll get best case, most likely, and worst case, with parts and labor costs. Free, in about 15 seconds.
Ask Andy about P0720Symptoms
- Erratic speedometer
- Harsh or delayed shifts
- Limp mode
- Cruise control issues
Common causes
Most likely first.
- Failed output speed sensor
- Wiring or connector fault
- Metal debris on the sensor
How to diagnose P0720
- Inspect the sensor and wiring.
- Watch output speed in live data while driving.
- Check the sensor tip for debris.
Tip: most US auto parts stores will read your codes for free.
Repair costs
| Output speed sensor | $150–$400 installed |
Typical US prices. Your vehicle, region, and shop rates will change these.
P0720 FAQ
What does P0720 mean?
P0720 means "Output Speed Sensor Circuit Malfunction." The transmission output speed sensor signal is missing or erratic.
Can I drive with a P0720 code?
Drive gently. Shifting and the speedometer may be affected.
What is the most common cause of P0720?
The most common cause is: Failed output speed sensor. Other causes include wiring or connector fault and metal debris on the sensor.
How much does it cost to fix P0720?
Typical repairs run about $150 to $400 in the US, depending on the cause. Output speed sensor: $150–$400 installed.
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