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P0722 Chevrolet Code - Transmission Output Speed Sensor Circuit No Signal

Quick Answer

The P0722 code in Chevrolet vehicles indicates a problem with the Transmission Output Speed Sensor Circuit, specifically that there is no signal being received from the sensor. Common causes include Faulty transmission output speed sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or buildup on sensor connections. 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 Chevrolet indicates Transmission Output Speed Sensor Circuit No Signal.
Common causes
Common causes include Faulty transmission output speed sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or buildup on sensor connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 20, 2024
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Code P0722 Chevrolet Description

The P0722 code in Chevrolet vehicles indicates a problem with the Transmission Output Speed Sensor Circuit, specifically that there is no signal being received from the sensor. The transmission output speed sensor is responsible for monitoring the speed of the output shaft of the transmission. This information is crucial for the proper operation of the transmission, as it helps determine shift points and ensures smooth gear changes. When the sensor fails to send a signal, it can lead to various issues with the transmission's performance, including erratic shifting, harsh shifting, and even transmission slippage.

OBDII Code P0722 Chevrolet - Transmission Output Speed Sensor Circuit No Signal
P0722 Chevrolet Code - Transmission Output Speed Sensor Circuit No Signal

Common Causes of P0722 Chevrolet

  1. Faulty transmission output speed sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or buildup on sensor connections
  4. Issues with the transmission control module (TCM)
  5. Mechanical issues within the transmission itself

Symptoms of P0722 Chevrolet

  1. Erratic or harsh shifting
  2. Delayed or no shifting
  3. Engine stalling when coming to a stop
  4. Decreased fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0722 Chevrolet

  1. Diagnose the issue by performing a thorough inspection of the transmission output speed sensor and its circuit.
  2. Test the sensor using a multimeter to check for proper resistance and voltage output.
  3. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  4. Reset the fault codes and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be needed to identify any underlying mechanical issues within the transmission.

Cost to Fix P0722 Chevrolet

The cost of repairing a P0722 code in a Chevrolet vehicle can vary depending on the specific cause of the issue. On average, the cost of replacing a transmission output speed sensor can range from $100 to $200, including parts and labor. However, if additional repairs or diagnostics are required, the total cost could increase. It's recommended to consult with a trusted mechanic or dealership to get an accurate estimate based on the specific vehicle and location. Keep in mind that labor rates can vary, with hourly rates typically ranging from $80 to $150.

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Information for Specific Chevrolet Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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