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Engine-Codes – Hyundai – P0722 Hyundai

P0722 Hyundai Code - Transmission Pulse Generator B

Quick Answer

The P0722 code for Hyundai vehicles indicates a problem with the Transmission Pulse Generator B. Common causes include Faulty Transmission Pulse Generator B, Damaged wiring or connectors related to the pulse generator, Corrosion or poor connections in the transmission system. 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 Hyundai indicates Transmission Pulse Generator B.
Common causes
Common causes include Faulty Transmission Pulse Generator B, Damaged wiring or connectors related to the pulse generator, Corrosion or poor connections in the transmission system.
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 Sep 09, 2024
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Code P0722 Hyundai Description

The P0722 code for Hyundai vehicles indicates a problem with the Transmission Pulse Generator B. The Transmission Pulse Generator is a crucial component in the transmission system that helps measure the speed of the vehicle's output shaft. This information is essential for the transmission to shift gears accurately and efficiently. When the pulse generator malfunctions, it can lead to issues with shifting gears, erratic transmission behavior, and potential damage to the transmission system.

OBDII Code P0722 Hyundai - Transmission Pulse Generator B
P0722 Hyundai Code - Transmission Pulse Generator B

Common Causes of P0722 Hyundai

  1. Faulty Transmission Pulse Generator B
  2. Damaged wiring or connectors related to the pulse generator
  3. Corrosion or poor connections in the transmission system
  4. Issues with the transmission control module
  5. General wear and tear on transmission components

Symptoms of P0722 Hyundai

  1. Erratic shifting of gears
  2. Delayed engagement when shifting gears
  3. Harsh shifting of gears
  4. Transmission slipping
  5. Illumination of the Check Engine Light

How to Fix P0722 Hyundai

  1. Begin by diagnosing the specific cause of the P0722 code using a diagnostic scanner to identify the exact issue with the Transmission Pulse Generator B.
  2. Inspect the wiring and connectors related to the pulse generator for any damage, corrosion, or loose connections. Repair or replace any faulty components.
  3. Test the Transmission Pulse Generator B to ensure it is functioning correctly. Replace the pulse generator if it is found to be faulty.
  4. Clear the trouble codes from the vehicle's computer and test drive the vehicle to ensure that the issue has been resolved.
  5. If the problem persists, further inspection of the transmission system may be necessary to identify any underlying issues that could be causing the code.

Cost to Fix P0722 Hyundai

The repair costs for addressing the P0722 code related to the Transmission Pulse Generator B in a Hyundai vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing the Transmission Pulse Generator B and addressing related wiring issues can range from $200 to $500. Additional costs may be incurred if further transmission repairs are needed. It is advisable to consult with a certified mechanic or dealership for a more accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops typically range from $80 to $150 per hour, with rates varying based on location and shop type.

When is the Code Detected?

The Pulse Generator B failed to provide a signal to the TCM upon initial movement of vehicle.

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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.

Frequently Asked Questions about P0722 Hyundai Code

1. What does the OBDII code P0722 mean for a Hyundai?

P0722 indicates an issue with the Transmission Pulse Generator B, specifically a lack of signal from the output speed sensor to the transmission control module (TCM).

2. What are the common symptoms of code P0722 in a Hyundai?

Symptoms may include delayed or erratic shifting, the transmission stuck in one gear, reduced fuel efficiency, and the check engine light illuminated.

3. What causes code P0722 in a Hyundai?

Common causes include a faulty output speed sensor, damaged wiring or connectors, issues with the TCM, or low transmission fluid levels.

4. How can I diagnose code P0722 on my Hyundai?

Diagnose the issue by scanning for codes with an OBDII scanner, visually inspecting the output speed sensor and its wiring, and testing the sensor for proper functionality with a multimeter.

5. Can low transmission fluid trigger a P0722 code in a Hyundai?

Yes, low transmission fluid can affect sensor operation and lead to this code, as it may cause erratic transmission behavior.

6. How do I fix code P0722 on a Hyundai?

Repairs may include replacing the output speed sensor, repairing or replacing damaged wiring or connectors, or addressing issues with the transmission control module.

7. Is it safe to drive a Hyundai with a P0722 code?

Driving with this code may lead to unpredictable transmission behavior, potentially causing further damage or unsafe driving conditions. It’s best to address the issue promptly.

8. How much does it cost to repair code P0722 on a Hyundai?

Repair costs vary but typically range from $150 to $400, depending on whether the issue is with the sensor, wiring, or transmission control module.

9. Can a P0722 code cause transmission failure in a Hyundai?

While the code itself doesn’t directly cause failure, prolonged driving with unresolved issues can lead to transmission damage over time.

10. Will clearing the P0722 code fix the problem in my Hyundai?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be repaired to prevent the code from returning.

Discuss the causes and fixes for P0722 Hyundai OBDII Code

Submit a New Comment

  • I have a Hyundai matrix 2006 and from 2 years i replaced the transmission and i have p0722 error and the transmission does not shift normally some time it stops at a certain gear and doesn't shift up or down, so what is the problem ?? and this problem appeared after 1 year of the replacement

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