Engine-CodesGeneric – P0C28

P0C28 Code - Electric Transmission Fluid Pump Motor Current Low

Quick Answer

The diagnostic trouble code P0C28 indicates that the electric transmission fluid pump motor current is low. Common causes include Faulty electric transmission fluid pump motor, Electrical wiring or connection issues, Malfunctioning control module. 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
P0C28 indicates Electric Transmission Fluid Pump Motor Current Low.
Common causes
Common causes include Faulty electric transmission fluid pump motor, Electrical wiring or connection issues, Malfunctioning control module.
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 16, 2024
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Code P0C28 Description

The diagnostic trouble code P0C28 indicates that the electric transmission fluid pump motor current is low. This code is typically found in hybrid vehicles that utilize an electric transmission fluid pump to circulate transmission fluid. The transmission fluid pump motor is responsible for maintaining proper fluid pressure within the transmission system, ensuring smooth gear shifts and optimal performance.

OBDII Code P0C28 - Electric Transmission Fluid Pump Motor Current Low
P0C28 Code - Electric Transmission Fluid Pump Motor Current Low

Common Causes of P0C28

  1. Faulty electric transmission fluid pump motor.
  2. Electrical wiring or connection issues.
  3. Malfunctioning control module.
  4. Low transmission fluid levels.
  5. Internal transmission damage or wear.

Symptoms of P0C28

  1. Erratic shifting or hesitation when changing gears.
  2. Transmission slipping or difficulty engaging gears.
  3. Illumination of the check engine light.
  4. Reduced fuel efficiency.
  5. Unusual noises coming from the transmission system.

How to Fix P0C28

  1. Begin by conducting a thorough inspection of the electric transmission fluid pump motor, checking for any visible signs of damage or wear.
  2. Test the electrical connections and wiring associated with the pump motor to ensure proper voltage and continuity.
  3. Use a diagnostic scan tool to retrieve any stored fault codes and perform further testing to pinpoint the exact cause of the low current issue.
  4. Replace the electric transmission fluid pump motor if it is determined to be faulty, ensuring proper installation and connection.
  5. Clear the fault codes from the vehicle's computer system and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0C28

The typical repair costs for addressing a P0C28 code can vary depending on the specific vehicle make and model, as well as the extent of the repairs needed. In general, replacing an electric transmission fluid pump motor can range from $300 to $800, including parts and labor. Additional costs may apply if there are other underlying issues contributing to the low current problem. It's recommended to consult with a qualified mechanic or dealership for a more accurate cost estimate based on your vehicle's requirements. Keep in mind that labor rates can vary, so it's advisable to inquire about local rates before proceeding with the repairs.

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Code P0C28 Information for Specific Makes

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 P0C28 Code

1. What are the common symptoms of OBDII code P0C28?

Symptoms may include issues with shifting gears, decreased acceleration, and an illuminated Check Engine Light.

2. What can cause the Electric Transmission Fluid Pump Motor Current Low code (P0C28) to trigger?

Possible causes include a faulty electric transmission fluid pump motor, wiring issues, low transmission fluid levels, or a malfunctioning transmission control module.

3. How serious is the P0C28 code related to Electric Transmission Fluid Pump Motor Current Low?

While the vehicle may still be operable, ignoring this code can lead to further damage to the transmission system and potentially result in more expensive repairs down the line.

4. How can I diagnose the cause of OBDII code P0C28?

Diagnosis typically involves using a diagnostic scanner to read the code, checking the transmission fluid level, inspecting the wiring and connections to the transmission fluid pump motor, and performing a visual inspection for any obvious issues.

5. Can I continue driving my vehicle with the P0C28 code present?

It is not recommended to continue driving the vehicle with this code present, as it can lead to potential transmission issues and further damage.

6. What are some repair tips for fixing the Electric Transmission Fluid Pump Motor Current Low code?

Repair tips may include replacing the electric transmission fluid pump motor, repairing any damaged wiring or connections, ensuring proper transmission fluid levels, and resetting the trouble code after repairs are completed.

7. How much does it typically cost to repair OBDII code P0C28?

The cost of repairs can vary depending on the specific cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can I reset the P0C28 code myself?

If you have the necessary tools and knowledge, you may be able to reset the code yourself after addressing the underlying issue. However, it's recommended to have a professional diagnose and repair the problem to prevent future issues.

9. Will OBDII code P0C28 cause my vehicle to fail an emissions test?

If left unresolved, the P0C28 code can affect the vehicle's emissions control system and potentially cause it to fail an emissions test.

10. How often does the Electric Transmission Fluid Pump Motor Current Low code (P0C28) occur in vehicles?

The occurrence of this specific code can vary depending on the make and model of the vehicle, as well as the maintenance history and driving conditions.

Discuss the causes and fixes for P0C28 OBDII Code

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