Engine-CodesGMC – P1E37 GMC

P1E37 GMC Code - Auxiliary Transmission Fluid Pump Inverter High Temperature

Quick Answer

The P1E37 GMC code indicates a problem with the auxiliary transmission fluid pump inverter reaching high temperatures. Common causes include Faulty auxiliary transmission fluid pump inverter, Wiring issues, Faulty temperature sensor. 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
P1E37 GMC indicates Auxiliary Transmission Fluid Pump Inverter High Temperature.
Common causes
Common causes include Faulty auxiliary transmission fluid pump inverter, Wiring issues, Faulty temperature sensor.
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 10, 2024
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Code P1E37 GMC Description

The P1E37 GMC code indicates a problem with the auxiliary transmission fluid pump inverter reaching high temperatures. This component is responsible for regulating the flow of transmission fluid within the vehicle's transmission system. When the inverter overheats, it can lead to a variety of issues that can affect the vehicle's performance and overall functionality.

OBDII Code P1E37 GMC - Auxiliary Transmission Fluid Pump Inverter High Temperature
P1E37 GMC Code - Auxiliary Transmission Fluid Pump Inverter High Temperature

Common Causes of P1E37 GMC

  1. Faulty auxiliary transmission fluid pump inverter
  2. Wiring issues
  3. Faulty temperature sensor
  4. Overheating of the transmission system
  5. Insufficient transmission fluid levels

Symptoms of P1E37 GMC

  1. Transmission slipping or jerking
  2. Erratic shifting patterns
  3. Overheating transmission
  4. Illumination of the Check Engine Light

How to Fix P1E37 GMC

  1. Diagnose the specific cause of the high temperature issue by using a diagnostic scanner to read the fault codes and inspecting the auxiliary transmission fluid pump inverter and related components.
  2. Replace the faulty auxiliary transmission fluid pump inverter if necessary.
  3. Check and repair any wiring issues or replace damaged wiring.
  4. Ensure that the transmission fluid levels are at the correct level and that the fluid is in good condition.
  5. Clear the fault codes and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1E37 GMC

The typical repair costs for addressing the P1E37 GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing the auxiliary transmission fluid pump inverter and addressing any related issues could range from $300 to $800, including parts and labor. It's important to note that labor rates at auto repair shops can vary widely, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle type.

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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 P1E37 GMC Code

1. What are the common symptoms of OBDII code P1E37 in a GMC related to the Auxiliary Transmission Fluid Pump Inverter High Temperature issue?

- Common symptoms include illuminated Check Engine Light, transmission shifting issues, and decreased vehicle performance.

2. What are the possible causes of OBDII code P1E37 GMC indicating a problem with the Auxiliary Transmission Fluid Pump Inverter High Temperature?

- Possible causes include a faulty auxiliary transmission fluid pump inverter, overheating transmission fluid, or wiring issues.

3. How can I diagnose the OBDII code P1E37 GMC related to the Auxiliary Transmission Fluid Pump Inverter High Temperature problem?

- Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the auxiliary transmission fluid pump and its components, and testing the inverter for proper functioning.

4. What are some repair tips for addressing the OBDII code P1E37 GMC linked to the Auxiliary Transmission Fluid Pump Inverter High Temperature fault?

- Repair tips may include replacing the faulty auxiliary transmission fluid pump inverter, checking and refilling transmission fluid levels, and ensuring proper wiring connections.

5. Can driving with the OBDII code P1E37 GMC triggered by the Auxiliary Transmission Fluid Pump Inverter High Temperature issue cause further damage to the vehicle?

- Continuing to drive with this issue can potentially lead to transmission damage, reduced fuel efficiency, and further overheating problems.

6. Are there any preventive measures to avoid encountering the OBDII code P1E37 GMC associated with the Auxiliary Transmission Fluid Pump Inverter High Temperature malfunction?

- Regularly servicing the transmission system, monitoring fluid levels and quality, and addressing any warning signs promptly can help prevent this issue.

7. Is it safe to clear the OBDII code P1E37 GMC related to the Auxiliary Transmission Fluid Pump Inverter High Temperature problem without addressing the underlying cause?

- Clearing the code without fixing the root cause can temporarily turn off the Check Engine Light but will not resolve the issue, potentially leading to more severe problems later on.

8. How much does it typically cost to repair the OBDII code P1E37 GMC associated with the Auxiliary Transmission Fluid Pump Inverter High Temperature malfunction?

- Repair costs can vary depending on the extent of the damage and parts needed, but expect to pay anywhere from $200 to $600 for parts and labor.

9. Will resetting the vehicle's ECU clear the OBDII code P1E37 GMC indicating an issue with the Auxiliary Transmission Fluid Pump Inverter High Temperature?

- Resetting the ECU may temporarily clear the code, but if the underlying problem persists, the code is likely to return once the issue is detected again.

10. Can a DIY enthusiast with automotive knowledge fix the OBDII code P1E37 GMC related to the Auxiliary Transmission Fluid Pump Inverter High Temperature issue at home?

- While some may have the skills to diagnose and repair this problem, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

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