Engine-CodesGeneric – P1E39

P1E39 Code - Auxiliary Transmission Fluid Pump Inverter Performance

Quick Answer

The P1E39 diagnostic trouble code indicates an issue with the auxiliary transmission fluid pump inverter's performance. Common causes include Electrical failure within the auxiliary transmission fluid pump inverter, Wiring issues or shorts in the transmission system, Faulty auxiliary transmission fluid pump inverter. 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
P1E39 indicates Auxiliary Transmission Fluid Pump Inverter Performance.
Common causes
Common causes include Electrical failure within the auxiliary transmission fluid pump inverter, Wiring issues or shorts in the transmission system, Faulty auxiliary transmission fluid pump inverter.
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 08, 2024
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Code P1E39 Description

The P1E39 diagnostic trouble code indicates an issue with the auxiliary transmission fluid pump inverter's performance. This component is responsible for regulating the flow of transmission fluid within the vehicle's transmission system. When this inverter fails to function correctly, it can lead to various problems that may affect the overall performance and drivability of the vehicle.

OBDII Code P1E39 - Auxiliary Transmission Fluid Pump Inverter Performance
P1E39 Code - Auxiliary Transmission Fluid Pump Inverter Performance

Common Causes of P1E39

  1. Electrical failure within the auxiliary transmission fluid pump inverter
  2. Wiring issues or shorts in the transmission system
  3. Faulty auxiliary transmission fluid pump inverter
  4. Insufficient transmission fluid levels or contaminated fluid
  5. Overheating of the transmission system

Symptoms of P1E39

  1. Erratic shifting behavior, such as delayed or harsh gear changes
  2. Decreased fuel efficiency
  3. Illumination of the check engine light on the dashboard
  4. Transmission slipping or lack of response when accelerating
  5. Unusual noises coming from the transmission system

How to Fix P1E39

  1. Begin by diagnosing the exact cause of the issue using a diagnostic scanner to retrieve the fault codes and perform a thorough inspection of the auxiliary transmission fluid pump inverter and related components.
  2. Check the transmission fluid levels and condition, topping up or replacing if necessary.
  3. Repair any wiring issues or shorts in the transmission system.
  4. Replace the faulty auxiliary transmission fluid pump inverter with a new OEM or high-quality aftermarket component.
  5. Clear the fault codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1E39

The cost of repairing a P1E39 code related to the auxiliary transmission fluid pump inverter performance can vary depending on the make and model of the vehicle, the severity of the issue, and labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that additional costs may apply if other transmission components require attention. It's recommended to consult with a qualified mechanic or dealership for a more accurate estimate based on your specific vehicle and location.

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Code P1E39 Information for Specific Makes

  • P1E39 Buick — Auxiliary Transmission Fluid Pump Inverter Performance
  • P1E39 Cadillac — Auxiliary Transmission Fluid Pump Inverter Performance
  • P1E39 Chevrolet — Auxiliary Transmission Fluid Pump Inverter Performance
  • P1E39 GMC — Auxiliary Transmission Fluid Pump Inverter Performance
  • P1E39 Saturn — Auxiliary Transmission Fluid Pump Inverter Performance
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 P1E39 Code

1. What are the common symptoms of OBDII code P1E39 - Auxiliary Transmission Fluid Pump Inverter Performance?

- Common symptoms include reduced engine power, illuminated Check Engine Light (CEL), and potential transmission shifting issues.

2. What can cause the OBDII code P1E39 to appear?

- The code P1E39 is typically triggered by a malfunction in the auxiliary transmission fluid pump inverter, such as internal faults or electrical issues.

3. How serious is the OBDII code P1E39 - Auxiliary Transmission Fluid Pump Inverter Performance?

- This code should be addressed promptly as it can affect the performance of the transmission system and potentially lead to further damage if left unresolved.

4. What are some possible repair tips for fixing the OBDII code P1E39?

- Repair tips may include inspecting the wiring and connections related to the auxiliary transmission fluid pump inverter, checking for any damaged components, and performing a diagnostic scan to pinpoint the exact issue.

5. Can I drive my vehicle with the OBDII code P1E39 present?

- It is not recommended to drive the vehicle with the code P1E39 as it can lead to transmission issues and further damage if ignored.

6. How can I reset the OBDII code P1E39 after making repairs?

- After addressing the underlying issue causing the code P1E39, the code can be reset using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

7. Is it possible to prevent the OBDII code P1E39 from reoccurring in the future?

- Regular maintenance of the transmission system, such as checking fluid levels and ensuring proper electrical connections, can help prevent the reoccurrence of the code P1E39.

8. Can a DIY enthusiast fix the OBDII code P1E39 at home?

- While some basic troubleshooting steps can be done at home, diagnosing and repairing the auxiliary transmission fluid pump inverter performance issue may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

9. How long does it typically take to repair the OBDII code P1E39?

- The repair time for the code P1E39 can vary depending on the exact cause of the issue and the extent of the repairs needed, but it may take a few hours to a day to complete the repair.

10. Will ignoring the OBDII code P1E39 lead to more severe problems?

- Ignoring the code P1E39 can potentially lead to transmission failure or other related issues, so it is important to address the problem promptly to avoid further damage.

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