Engine-CodesKIA – P0772 KIA

P0772 KIA Code - Low Coast Brake Solenoid

Quick Answer

The P0772 diagnostic trouble code (DTC) for KIA vehicles refers to a Low Coast Brake Solenoid malfunction. Common causes include Faulty low coast brake solenoid, Wiring issues or electrical connection problems, Low transmission fluid levels. 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
P0772 KIA indicates Low Coast Brake Solenoid.
Common causes
Common causes include Faulty low coast brake solenoid, Wiring issues or electrical connection problems, Low transmission fluid levels.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0772 KIA Description

The P0772 diagnostic trouble code (DTC) for KIA vehicles refers to a Low Coast Brake Solenoid malfunction. This code is indicating a problem with the solenoid that controls the application of the low coast brake in the transmission system. The low coast brake solenoid is responsible for engaging the low coast brake, which helps to slow down the vehicle when coasting or decelerating.

OBDII Code P0772 KIA - Low Coast Brake Solenoid
P0772 KIA Code - Low Coast Brake Solenoid

Common Causes of P0772 KIA

  1. Faulty low coast brake solenoid
  2. Wiring issues or electrical connection problems
  3. Low transmission fluid levels
  4. Dirty or contaminated transmission fluid
  5. Mechanical damage or wear and tear on the transmission components

Symptoms of P0772 KIA

  1. Erratic shifting or difficulty changing gears
  2. Delayed engagement when shifting
  3. Harsh transitions between gears
  4. Poor fuel efficiency
  5. Reduced acceleration

How to Fix P0772 KIA

  1. Begin by diagnosing the specific cause of the low coast brake solenoid malfunction using a diagnostic scanner to retrieve the DTC and perform a visual inspection of the transmission system.
  2. Test the low coast brake solenoid and its electrical connections to determine if it is functioning correctly.
  3. If the solenoid is faulty, replace it with a new one following manufacturer guidelines for the specific KIA model.
  4. Check and replace any damaged wiring or connectors related to the solenoid.
  5. Refill the transmission fluid to the proper level and ensure it is clean and free of debris to prevent future issues.

Cost to Fix P0772 KIA

The cost of repairing a low coast brake solenoid issue can vary depending on the specific cause of the problem, the extent of the damage, and the labor rates at the auto repair shop. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's essential to note that prices may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. Additionally, the time spent diagnosing and repairing the problem can also influence the final cost. It's recommended to obtain quotes from multiple repair shops to compare prices and find the best option for your budget.

When is the Code Detected?

The P0772 code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.

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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 P0772 KIA Code

1. What does the OBDII code P0772 mean on a Kia?

P0772 indicates an issue with the low coast brake solenoid in the transmission, which may be stuck in the "on" position or not functioning correctly.

2. What are the common symptoms of code P0772 in a Kia?

Symptoms include harsh or delayed shifting, transmission slipping, poor fuel economy, and in some cases, the transmission may enter limp mode.

3. What causes the P0772 code in a Kia?

Common causes include a faulty low coast brake solenoid, dirty or contaminated transmission fluid, wiring or connector issues, or internal transmission damage.

4. Can I drive my Kia with a P0772 code?

Driving with a P0772 code is not recommended, as it can lead to further transmission damage and unsafe driving conditions due to shifting issues.

5. How do I fix the P0772 code on my Kia?

Repairs may include replacing the low coast brake solenoid, cleaning or replacing the transmission fluid, repairing damaged wiring or connectors, or addressing internal transmission issues.

6. How much does it cost to repair a P0772 code on a Kia?

Repair costs vary, but replacing the solenoid may cost between $200 and $400, while more complex transmission repairs could exceed $1,000.

7. Can low transmission fluid cause the P0772 code in a Kia?

Yes, low or dirty transmission fluid can cause the solenoid to malfunction, leading to the P0772 code.

8. How is the P0772 code diagnosed on a Kia?

A mechanic will use a scan tool to confirm the code, inspect the solenoid, check transmission fluid condition, and test the wiring and connectors.

9. Does the P0772 code require a transmission rebuild?

In some cases, if the issue is due to internal transmission damage, a rebuild or replacement may be necessary, but simpler fixes should be ruled out first.

10. How can I prevent the P0772 code from occurring in my Kia?

Regularly maintain your transmission by checking and replacing the fluid as recommended, and address any transmission issues promptly to avoid solenoid failure.

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