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Engine-Codes – GMC – P1E1E GMC

P1E1E GMC Code - Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 Low Voltage

Quick Answer

The P1E1E diagnostic trouble code for GMC vehicles indicates an issue with the Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 having low voltage. Common causes include Faulty hybrid battery voltage isolation sensor, Wiring or connection issues in the sensor circuit, Defective auxiliary transmission fluid pump control module. 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
P1E1E GMC indicates Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 Low Voltage.
Common causes
Common causes include Faulty hybrid battery voltage isolation sensor, Wiring or connection issues in the sensor circuit, Defective auxiliary transmission fluid pump control module.
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 12, 2024
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Code P1E1E GMC Description

The P1E1E diagnostic trouble code for GMC vehicles indicates an issue with the Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 having low voltage. This code is specifically related to the hybrid system in the vehicle, indicating a problem with the sensor circuit that monitors the voltage isolation in the hybrid battery system. The auxiliary transmission fluid pump control module plays a crucial role in managing the transmission fluid flow in hybrid vehicles, ensuring smooth operation and efficiency. When the voltage isolation sensor circuit 2 detects low voltage, it can lead to a range of issues affecting the vehicle's performance and overall functionality.

OBDII Code P1E1E GMC - Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 Low Voltage
P1E1E GMC Code - Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 Low Voltage

Common Causes of P1E1E GMC

  1. Faulty hybrid battery voltage isolation sensor
  2. Wiring or connection issues in the sensor circuit
  3. Defective auxiliary transmission fluid pump control module
  4. Low battery voltage affecting the sensor circuit
  5. Hybrid system software or programming issues

Symptoms of P1E1E GMC

  1. Check engine light illuminated on the dashboard
  2. Reduced fuel efficiency
  3. Transmission issues such as rough shifting or slipping
  4. Hybrid system malfunctions or errors
  5. Poor overall vehicle performance

How to Fix P1E1E GMC

  1. Diagnose the specific cause of the low voltage in the sensor circuit using diagnostic tools
  2. Inspect the wiring and connections in the sensor circuit for any damage or loose connections
  3. Test the hybrid battery voltage isolation sensor for proper function and replace if necessary
  4. Check the auxiliary transmission fluid pump control module for faults and replace if deemed faulty
  5. Clear the trouble code from the vehicle's computer system and test drive the vehicle to ensure the issue is resolved

Cost to Fix P1E1E GMC

The repair costs for addressing the P1E1E code in a GMC vehicle can vary depending on the specific cause of the issue and the extent of repairs needed. In general, the cost of parts such as a new hybrid battery voltage isolation sensor or auxiliary transmission fluid pump control module can range from $200 to $600 or more. Labor costs for diagnosis and repair can add an additional $300 to $800, depending on the shop's hourly rates and the complexity of the repair process. Overall, the total repair cost for this issue could range from $500 to $1500 or more, depending on the factors mentioned above. It is advisable to consult with a professional mechanic or dealership for a more accurate cost estimate based on the specific vehicle and its condition.

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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 P1E1E GMC Code

1. What are common symptoms of OBDII code P1E1E in a GMC vehicle?

- Common symptoms include the check engine light coming on, reduced performance, and potential issues with shifting gears.

2. What does the OBDII code P1E1E GMC indicate?

- This code indicates a problem with the Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2, specifically low voltage.

3. What are possible causes of OBDII code P1E1E in a GMC?

- Possible causes include a faulty hybrid battery voltage isolation sensor, a malfunctioning transmission fluid pump control module, or issues with the wiring and connections in the circuit.

4. How can I diagnose the OBDII code P1E1E in my GMC?

- Diagnosis typically involves using an OBDII scanner to read the code, followed by testing the hybrid battery voltage isolation sensor, the transmission fluid pump control module, and checking the circuitry for any faults.

5. Can I still drive my GMC with the OBDII code P1E1E present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety concerns. It is best to address the issue promptly.

6. How can I repair OBDII code P1E1E in my GMC?

- Repairing this code may involve replacing the hybrid battery voltage isolation sensor, the transmission fluid pump control module, or repairing any damaged wiring or connections in the circuit.

7. Is it safe to reset the OBDII code P1E1E without fixing the underlying issue?

- It is not recommended to simply reset the code without addressing the underlying problem, as it will likely reappear and can cause ongoing issues with the vehicle.

8. Can a DIY enthusiast fix OBDII code P1E1E in a GMC?

- While some simple tasks like checking connections or sensor replacement may be within reach for a DIY enthusiast, diagnosing and repairing complex electrical issues may require professional expertise.

9. How much does it typically cost to repair OBDII code P1E1E in a GMC?

- The cost of repair can vary depending on the specific issue causing the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. How can I prevent OBDII code P1E1E from recurring in my GMC?

- Regular maintenance, including checking the hybrid battery voltage isolation sensor, transmission fluid pump control module, and circuitry, can help prevent this code from recurring.

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