AutoCodesChevrolet – P1E1A Chevrolet

P1E1A Chevrolet Code - Auxiliary Transmission Fluid Pump Control Module System Voltage High

Quick Answer

The power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter Module circuit poor electrical connection. 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
P1E1A Chevrolet indicates Auxiliary Transmission Fluid Pump Control Module System Voltage High.
Common causes
Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter Module circuit poor electrical connection.
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.
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Code Popularity 995
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 04, 2022
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Code P1E1A Chevrolet Description

The power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Two of the motor control modules operate their respective drive motor generator based upon power inverter module commands. The third motor control module controls the auxiliary transmission fluid pump motor. The hybrid powertrain control module and the motor control modules share the power inverter module ignition voltage circuit, battery voltage circuits and chassis earth.
OBDII Code P1E1A Chevrolet - Auxiliary Transmission Fluid Pump Control Module System Voltage High - AutoCodes.com
P1E1A Chevrolet Code - Auxiliary Transmission Fluid Pump Control Module System Voltage High

What are the Possible Causes of the DTC P1E1A Chevrolet?

  • Faulty Power Inverter Module
  • Power Inverter Module harness is open or shorted
  • Power Inverter Module circuit poor electrical connection

How to Fix the DTC P1E1A Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1E1A Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Information for Specific Chevrolet Models

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 P1E1A Chevrolet Code

What does the OBDII code P1E1A mean for a Chevrolet vehicle?

The OBDII code P1E1A indicates that there is a high voltage detected in the auxiliary transmission fluid pump control module system.

What are the common symptoms associated with the P1E1A code?

Common symptoms include warning lights on the dashboard, erratic transmission behavior, overheating transmission, and reduced vehicle performance.

What could cause the P1E1A code to trigger?

Potential causes include a faulty auxiliary transmission fluid pump, damaged wiring or connectors, a malfunctioning control module, or issues with the vehicle's electrical system.

How can I diagnose the P1E1A code?

To diagnose the P1E1A code, use an OBDII scanner to read the trouble code, check the auxiliary transmission fluid pump for faults, inspect wiring and connectors for damage, and verify the voltage levels in the system.

Is it safe to drive a vehicle with the P1E1A code?

It is not advisable to drive a vehicle with the P1E1A code, as it may lead to transmission overheating or damage if the auxiliary pump is not functioning properly.

What are some common repair solutions for the P1E1A code?

Common repairs include replacing the auxiliary transmission fluid pump, repairing or replacing damaged wiring and connectors, or reprogramming/replacing the control module if necessary.

How can I prevent the P1E1A code from reoccurring?

To prevent the P1E1A code from reoccurring, ensure regular maintenance of the transmission system, keep electrical connections clean and secure, and address any transmission fluid leaks promptly.

What should I check first when troubleshooting the P1E1A code?

Start by inspecting the auxiliary transmission fluid pump and its wiring for any visible damage or corrosion, and check the voltage levels to ensure they are within the manufacturer’s specifications.

Can a low transmission fluid level cause the P1E1A code?

Yes, low transmission fluid levels can cause overheating and affect the operation of the auxiliary pump, potentially triggering the P1E1A code. Always check the fluid level when diagnosing transmission issues.

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