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P1E2E Buick Code - Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage

Quick Answer

The P1E2E diagnostic trouble code (DTC) for Buick vehicles refers to the Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage. Common causes include Faulty auxiliary transmission fluid pump, Wiring issues in the current sensor circuit, Malfunctioning current 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
P1E2E Buick indicates Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage.
Common causes
Common causes include Faulty auxiliary transmission fluid pump, Wiring issues in the current sensor circuit, Malfunctioning current 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 21, 2024
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Code P1E2E Buick Description

The P1E2E diagnostic trouble code (DTC) for Buick vehicles refers to the Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage. This code indicates that there is a high voltage condition detected in the current sensor circuit of the auxiliary transmission fluid pump phase V. The auxiliary transmission fluid pump is responsible for maintaining proper fluid pressure in the transmission system, which is crucial for smooth gear shifts and overall transmission performance.

OBDII Code P1E2E Buick - Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage
P1E2E Buick Code - Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage

Common Causes of P1E2E Buick

  1. Faulty auxiliary transmission fluid pump
  2. Wiring issues in the current sensor circuit
  3. Malfunctioning current sensor
  4. Electrical system issues
  5. Corrosion or damage to connectors

Symptoms of P1E2E Buick

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Overheating of the transmission
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P1E2E Buick

  1. Diagnose the specific cause of the high voltage in the current sensor circuit using a scan tool and multimeter.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Test the current sensor for proper operation and replace if found to be faulty.
  4. Check the auxiliary transmission fluid pump for proper function and replace if needed.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1E2E Buick

The typical repair costs for addressing the P1E2E Buick code can vary depending on the specific cause of the issue and the parts/labour required. In general, the cost of parts such as a new auxiliary transmission fluid pump, current sensor, or wiring components can range from $200 to $500 or more. Labour costs can add an additional $100 to $300 or more, depending on the shop's hourly rates and the complexity of the repair.

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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 P1E2E Buick Code

1. What are the common symptoms of OBDII code P1E2E in a Buick related to the Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage?

The common symptoms include rough shifting, transmission slipping, illuminated check engine light, and potential transmission overheating.

2. What are the possible causes of OBDII code P1E2E in a Buick?

The code P1E2E in a Buick can be triggered by issues such as a faulty transmission fluid pump, damaged wiring or connectors, low transmission fluid level, or a malfunctioning transmission control module.

3. How can I diagnose the OBDII code P1E2E in my Buick?

Diagnosing the code P1E2E requires using an OBDII scanner to retrieve the specific fault code. Further diagnosis involves inspecting the transmission fluid pump, checking the wiring and connectors, and testing the transmission control module for proper functionality.

4. What are some repair tips for fixing OBDII code P1E2E in a Buick?

Repair tips for resolving the P1E2E code may include repairing or replacing the transmission fluid pump, repairing any damaged wiring or connectors, ensuring the transmission fluid level is correct, and reprogramming or replacing the transmission control module if necessary.

5. Can I continue driving my Buick with OBDII code P1E2E present?

It is not recommended to drive your Buick with the P1E2E code present, as it indicates a potential issue with the transmission fluid pump or related components. Continued driving may lead to further damage to the transmission or other drivetrain components.

6. How much does it typically cost to repair OBDII code P1E2E in a Buick?

The cost of repairing the P1E2E code in a Buick can vary depending on the specific issue causing the code. Costs may range from a few hundred dollars for minor repairs to over a thousand dollars for more involved repairs or component replacements.

7. Can I reset the OBDII code P1E2E in my Buick without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is not recommended to do so without addressing the underlying problem. Resetting the code without fixing the issue can lead to recurring problems and potential damage to the transmission system.

8. How important is it to address OBDII code P1E2E promptly in a Buick?

It is crucial to address the P1E2E code promptly in a Buick to prevent further damage to the transmission system. Ignoring the code may lead to transmission failure, unsafe driving conditions, and costly repairs down the line.

9. Are there any preventive maintenance measures to avoid OBDII code P1E2E in a Buick?

Regularly checking and maintaining the transmission fluid level, ensuring proper transmission fluid quality, and addressing any transmission-related issues promptly can help prevent the occurrence of the P1E2E code in a Buick.

10. How long does it typically take to repair OBDII code P1E2E in a Buick?

The repair time for the P1E2E code in a Buick can vary depending on the specific issue and the complexity of the repair. Simple repairs may take a few hours, while more involved repairs may require a day or more at a repair shop.

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