Engine-CodesChevrolet – P1E37 Chevrolet

P1E37 Chevrolet Code - Auxiliary Transmission Fluid Pump Inverter High Temperature

Quick Answer

The P1E37 Chevrolet diagnostic trouble code (DTC) refers to the Auxiliary Transmission Fluid Pump Inverter High Temperature. Common causes include Malfunctioning cooling system, Faulty auxiliary transmission fluid pump inverter, Restricted fluid flow. 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 Chevrolet indicates Auxiliary Transmission Fluid Pump Inverter High Temperature.
Common causes
Common causes include Malfunctioning cooling system, Faulty auxiliary transmission fluid pump inverter, Restricted fluid flow.
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 15, 2024
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Code P1E37 Chevrolet Description

The P1E37 Chevrolet diagnostic trouble code (DTC) refers to the Auxiliary Transmission Fluid Pump Inverter High Temperature. This code indicates that the temperature of the auxiliary transmission fluid pump inverter has exceeded the specified limit. The auxiliary transmission fluid pump inverter is a crucial component in the vehicle's transmission system, responsible for regulating the flow and pressure of transmission fluid to ensure smooth gear shifts and overall transmission performance.

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

Common Causes of P1E37 Chevrolet

  1. Malfunctioning cooling system
  2. Faulty auxiliary transmission fluid pump inverter
  3. Restricted fluid flow
  4. Low transmission fluid levels
  5. Electrical issues affecting the inverter

Symptoms of P1E37 Chevrolet

  1. Rough or delayed gear shifts
  2. Slipping gears
  3. Transmission overheating warning light
  4. Decreased transmission performance
  5. Transmission fluid leaks

How to Fix P1E37 Chevrolet

  1. Diagnose the root cause of the high temperature issue by conducting a thorough inspection of the auxiliary transmission fluid pump inverter, cooling system, and fluid flow.
  2. Replace the faulty auxiliary transmission fluid pump inverter if necessary.
  3. Check and replace the transmission fluid if it has been affected by the high temperature.
  4. Inspect and repair any leaks in the transmission system.
  5. Reset the DTC and test drive the vehicle to ensure proper transmission function.

Cost to Fix P1E37 Chevrolet

The typical repair costs for addressing the P1E37 Chevrolet code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty auxiliary transmission fluid pump inverter can range from $200 to $500, including parts and labor. Additional costs may apply if other components need to be repaired or replaced. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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 Chevrolet Code

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

The common symptoms include the check engine light coming on, reduced vehicle performance, and potential issues with the transmission operation.

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

Potential causes of this code may include a faulty auxiliary transmission fluid pump inverter, overheating of the transmission fluid, or electrical issues within the system.

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

Diagnosis typically involves using a diagnostic scanner to retrieve the specific code, checking the transmission fluid temperature, inspecting the auxiliary pump inverter, and testing the electrical connections.

4. Is it safe to continue driving with OBDII code P1E37 in a Chevrolet indicating the Auxiliary Transmission Fluid Pump Inverter High Temperature?

It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission system. It is advisable to address the issue promptly.

5. What are some repair tips for fixing OBDII code P1E37 in a Chevrolet related to the Auxiliary Transmission Fluid Pump Inverter High Temperature?

Repair tips may include checking and repairing any wiring or electrical connections, replacing the faulty auxiliary pump inverter, and ensuring proper transmission fluid levels and cooling.

6. Can resetting the OBDII code P1E37 in a Chevrolet related to the Auxiliary Transmission Fluid Pump Inverter High Temperature resolve the issue?

While resetting the code may temporarily clear the check engine light, it is essential to address the underlying cause of the code to prevent future issues with the transmission system.

7. Are there any recalls or technical service bulletins related to OBDII code P1E37 in a Chevrolet indicating the Auxiliary Transmission Fluid Pump Inverter High Temperature?

It is advisable to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins specific to this code and related components.

8. How much does it typically cost to repair OBDII code P1E37 in a Chevrolet related to the Auxiliary Transmission Fluid Pump Inverter High Temperature?

Repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P1E37 in a Chevrolet related to the Auxiliary Transmission Fluid Pump Inverter High Temperature?

While some simple checks and repairs can be done by DIY enthusiasts, diagnosing and repairing this specific code may require professional knowledge and tools due to the complexity of the transmission system.

10. How can regular maintenance help prevent OBDII code P1E37 in a Chevrolet related to the Auxiliary Transmission Fluid Pump Inverter High Temperature?

Regularly servicing the transmission system, checking fluid levels, and addressing any warning signs promptly can help prevent issues like overheating of the auxiliary pump inverter and related components.

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