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Engine-Codes – GMC – P1E2E GMC

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

Quick Answer

The P1E2E diagnostic trouble code (DTC) for GMC 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 or loose connections in the current sensor circuit, Failed current sensor in the auxiliary transmission fluid pump. 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 GMC indicates Auxiliary Transmission Fluid Pump Phase V Current Sensor Circuit High Voltage.
Common causes
Common causes include Faulty auxiliary transmission fluid pump, Wiring issues or loose connections in the current sensor circuit, Failed current sensor in the auxiliary transmission fluid pump.
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 13, 2024
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Code P1E2E GMC Description

The P1E2E diagnostic trouble code (DTC) for GMC 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. The auxiliary transmission fluid pump is responsible for maintaining proper fluid pressure and circulation in the transmission system, especially during certain driving conditions such as towing or heavy loads.

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

Common Causes of P1E2E GMC

  1. Faulty auxiliary transmission fluid pump.
  2. Wiring issues or loose connections in the current sensor circuit.
  3. Failed current sensor in the auxiliary transmission fluid pump.
  4. Corrosion or damage to the electrical components.
  5. Issues with the transmission control module (TCM).

Symptoms of P1E2E GMC

  1. Illumination of the check engine light on the dashboard.
  2. Transmission slipping or delayed engagement.
  3. Harsh shifting or erratic transmission behavior.
  4. Decreased fuel efficiency.
  5. Overheating of the transmission fluid.

How to Fix P1E2E GMC

  1. Diagnose the DTC using a professional diagnostic scan tool to pinpoint the exact cause of the high voltage condition.
  2. Inspect the wiring and connections in the current sensor circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the current sensor in the auxiliary transmission fluid pump for proper functionality. Replace if faulty.
  4. Check the auxiliary transmission fluid pump for any signs of failure or malfunction. Replace if needed.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1E2E GMC

The typical repair costs for addressing the P1E2E GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts such as a new auxiliary transmission fluid pump, current sensor, or wiring components can range from $200 to $600. Labor costs at auto repair shops typically range from $80 to $150 per hour, with the total repair bill potentially amounting to $300 to $1000 or more. It's advisable to consult with a professional mechanic for a more accurate estimate based on the vehicle's make and model, as well as the local labor rates.

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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 GMC Code

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

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

2. What are the potential causes of OBDII code P1E2E GMC?

- The code P1E2E in a GMC can be triggered by issues such as a faulty transmission fluid pump, damaged wiring or connectors in the current sensor circuit, or a malfunctioning current sensor.

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

- To diagnose the code P1E2E, a professional scan tool is typically required to access the transmission control module (TCM) and retrieve specific diagnostic trouble codes (DTCs). Additionally, a thorough inspection of the transmission fluid pump and current sensor circuit is recommended.

4. What are some possible repair tips for resolving OBDII code P1E2E in a GMC?

- Repair tips may include checking and repairing any damaged wiring or connectors in the current sensor circuit, testing and potentially replacing the transmission fluid pump, and ensuring proper fluid levels and quality in the transmission.

5. Can driving with OBDII code P1E2E in a GMC cause further damage to the vehicle?

- Continued driving with code P1E2E in a GMC can potentially lead to further damage to the transmission system, resulting in costly repairs. It is recommended to address the issue promptly to prevent any additional complications.

6. Is it safe to continue driving my GMC with the Check Engine Light illuminated due to code P1E2E?

- While it may be possible to drive the vehicle for a short period with the Check Engine Light on, it is advisable to have the issue diagnosed and repaired as soon as possible to prevent potential transmission damage and ensure safe operation.

7. Can a DIY enthusiast attempt to fix OBDII code P1E2E in a GMC?

- Repairing OBDII code P1E2E in a GMC may require advanced knowledge and specialized tools, making it challenging for DIY enthusiasts. It is recommended to seek assistance from a qualified mechanic or technician for proper diagnosis and repair.

8. How much does it typically cost to repair OBDII code P1E2E in a GMC?

- The cost of repairing OBDII code P1E2E in a GMC can vary depending on the underlying cause, required parts, and labor rates. It is advisable to obtain multiple quotes from reputable repair shops to compare costs.

9. Will resetting the Check Engine Light resolve OBDII code P1E2E in a GMC?

- Simply resetting the Check Engine Light without addressing the root cause of code P1E2E in a GMC will not resolve the issue. It is important to diagnose the problem, perform necessary repairs, and clear the code to prevent its recurrence.

10. How can I prevent OBDII code P1E2E from reoccurring in my GMC in the future?

- To prevent OBDII code P1E2E from reoccurring, regular maintenance of the transmission system, including fluid changes and inspections, is crucial. Additionally, addressing any related issues promptly can help prevent the code from appearing again.

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