P0722 Toyota Code - Output Speed Sensor Circuit No Signal
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
- P0722 Toyota indicates Output Speed Sensor Circuit No Signal.
- 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 P0722 Toyota Description
What are the Possible Causes of the DTC P0722 Toyota?
- Faulty Speed Sensor
- Speed Sensor harness is open or shorted
- Speed Sensor circuit poor electrical connection
How to Fix the DTC P0722 Toyota?
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 P0722 Toyota 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 P0722 Toyota Code
1. What does the OBDII code P0722 mean on a Toyota?
P0722 indicates that the transmission control module (TCM) is not receiving a signal from the output speed sensor, which monitors the speed of the transmission output shaft.
2. What are the common symptoms of code P0722 in a Toyota?
Symptoms include erratic or harsh shifting, the speedometer not working properly, decreased fuel efficiency, and possibly the vehicle going into limp mode.
3. What causes the P0722 code to appear on a Toyota?
Common causes include a faulty output speed sensor, damaged or corroded wiring or connectors in the sensor circuit, or issues with the transmission control module.
4. Can I drive my Toyota with a P0722 code?
Driving with a P0722 code is not recommended as it can lead to poor performance, erratic shifting, and potential damage to the transmission over time.
5. How do I fix the P0722 code on my Toyota?
Repairs may include replacing the output speed sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the transmission control module if necessary.
6. How much does it cost to fix a P0722 code on a Toyota?
The cost can vary but typically ranges from $100 to $300 for sensor replacement, while more extensive repairs, like TCM replacement, can be significantly higher.
7. How is the P0722 code diagnosed in a Toyota?
A mechanic will use a scan tool to confirm the code, inspect the output speed sensor and wiring, check for continuity in the circuit, and test the sensor’s functionality.
8. Can a P0722 code on a Toyota be caused by low transmission fluid?
While low transmission fluid is not a direct cause, it can contribute to transmission performance issues that may lead to sensor errors or similar codes.
9. What tools are needed to diagnose and fix a P0722 code on a Toyota?
Tools include an OBDII scan tool, a multimeter for testing electrical connections, and possibly basic hand tools to remove and replace the sensor.
10. Will clearing the code fix a P0722 on my Toyota?
Clearing the code will erase it temporarily, but if the underlying issue isn’t addressed, the code will likely return.
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