P0720 Mazda Code - Output Speed Sensor Circuit Malfunction
Quick Answer
The speed sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. Common causes include Faulty Speed Sensor, Speed Sensor harness is open or shorted, Speed Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0720 Mazda indicates Output Speed Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty Speed Sensor, Speed Sensor harness is open or shorted, Speed Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0720 Mazda Description
What are the Possible Causes of the DTC P0720 Mazda?
- Faulty Speed Sensor
- Speed Sensor harness is open or shorted
- Speed Sensor circuit poor electrical connection
How to Fix the DTC P0720 Mazda?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0720 Mazda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0720 Mazda Code
1. What does the OBDII code P0720 mean on a Mazda?
P0720 indicates a malfunction in the output speed sensor circuit, which monitors the rotational speed of the transmission output shaft.
2. What are the common symptoms of a P0720 code on a Mazda?
Symptoms include erratic shifting, poor acceleration, the speedometer not working, and the Check Engine Light turning on.
3. What causes a P0720 code on a Mazda?
Common causes include a faulty output speed sensor, damaged wiring or connectors, a malfunctioning PCM, or internal transmission issues.
4. Can I drive my Mazda with a P0720 code?
Driving with a P0720 code is not recommended as it can lead to poor performance, increased fuel consumption, and potential transmission damage.
5. How do I diagnose a P0720 code on a Mazda?
Start by inspecting the output speed sensor, wiring, and connectors for damage. Use a multimeter to test the sensor for proper resistance and check for any fault codes related to the transmission.
6. How do I fix a P0720 code on a Mazda?
Repairs may include replacing the output speed sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming the PCM if necessary.
7. Where is the output speed sensor located on a Mazda?
The output speed sensor is typically located on the transmission, near the output shaft or differential housing.
8. How much does it cost to fix a P0720 code on a Mazda?
Repair costs can vary, but replacing the output speed sensor typically costs between $150 and $300, including parts and labor.
9. Can a dirty or low transmission fluid level cause a P0720 code?
Yes, dirty or low transmission fluid can affect sensor performance and trigger a P0720 code. Always check the fluid level and condition.
10. Will clearing the code fix the P0720 issue on my Mazda?
Clearing the code will remove it temporarily, but the underlying issue must be addressed to prevent the code from returning.
Discuss the causes and fixes for P0720 Mazda OBDII Code
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i need help in spanish se encendio el el check engine y aparecio unas palabras AT en el tablero el vehiculo no ha sufrido cambio en velocidad funciona loa tacometros de velocidad lo escaneamos y apagamos el codigo y aparece nuevamente se limpiaron los contactos y nada que podria ser el vehiculo es un mazda 3 2.5 lts y es año 2011 ya se le revisaron las posibles causas y siempre lo detecta mal q hago gracias por la ayuda
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Lo primero que tienen que hacer es consguir un scanner para leer el codigo. Si la luz del "AT" Automatic Transmission (transmission automatica) entonce quiere decir que hay un problema con la transmission Y necesita un scanner para leer el codigo.
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buenos dias, alguien me puede ayudar en que arte queda el sensor de velocidad de salida de la mazda mpv 2005, muchas gracias.
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Esta es la unica imagen encontre en el manual. Para el P0720 es el "Vehicle Speedometer Sensor"
Click here to enlarge image
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