AutoCodes – Generic – P1AE1

P1AE1 Code - Drive Motor 2 Control Module System Voltage High

Quick Answer

The Drive Motor Generator Power Inverter Control Module contains three motor control modules and the hybrid powertrain control module. Common causes include Faulty Drive Motor Generator Power Inverter Control Module, Drive Motor Generator Power Inverter Control Module harness is open or shorted, Drive Motor Generator Power Inverter Control 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: P1AE1 indicates Drive Motor 2 Control Module System Voltage High.
Common causes: Common causes include Faulty Drive Motor Generator Power Inverter Control Module, Drive Motor Generator Power Inverter Control Module harness is open or shorted, Drive Motor Generator Power Inverter Control 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 881

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1AE1 Description

The Drive Motor Generator Power Inverter Control 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 drive motor generator power inverter control 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 drive motor generator power inverter module ignition voltage circuit, battery voltage circuits and chassis ground.

OBDII Code P1AE1 - Drive Motor 2 Control Module System Voltage High - AutoCodes.com — P1AE1 Code - Drive Motor 2 Control Module System Voltage High

What does this mean?

What are the Possible Causes of the DTC P1AE1?

Faulty Drive Motor Generator Power Inverter Control Module
Drive Motor Generator Power Inverter Control Module harness is open or shorted
Drive Motor Generator Power Inverter Control Module circuit poor electrical connection

How to Fix the DTC P1AE1?

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 P1AE1 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.

Need more information about the P1AE1 code?

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Information for Specific Makes

P1AE1 Buick — Drive Motor 2 Control Module System Voltage High
P1AE1 Cadillac — Drive Motor 2 Control Module System Voltage High
P1AE1 Chevrolet — Drive Motor 2 Control Module System Voltage High
P1AE1 GMC — Drive Motor 2 Control Module System Voltage High
P1AE1 Saturn — Drive Motor 2 Control Module System Voltage High

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 P1AE1 Code

1. What are the common symptoms of OBDII code P1AE1 Drive Motor 2 Control Module System Voltage High?

- Common symptoms include illuminated check engine light, reduced hybrid system performance, and potential drivability issues.

2. What could cause the OBDII code P1AE1 to trigger?

- Possible causes include a faulty drive motor 2 control module, wiring issues, high voltage power supply problems, or software glitches.

3. How can I diagnose the cause of OBDII code P1AE1 Drive Motor 2 Control Module System Voltage High?

- Diagnosis typically involves using a scan tool to read the code, checking the drive motor 2 control module, inspecting wiring for damage, and testing the high voltage power supply.

4. Is it safe to continue driving with the OBDII code P1AE1 present?

- It is not recommended to continue driving with this code active, as it may lead to further damage to the hybrid system components.

5. What are some repair tips for addressing the OBDII code P1AE1?

- Repair tips may include checking and repairing any damaged wiring, replacing the drive motor 2 control module if necessary, and ensuring proper connection of all components.

6. Can a DIY enthusiast fix the OBDII code P1AE1 issue at home?

- While some basic diagnostic steps can be taken at home, resolving this code may require specialized tools and expertise, making it advisable to consult a professional technician.

7. How much does it typically cost to repair the OBDII code P1AE1 Drive Motor 2 Control Module System Voltage High?

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

8. Will resetting the OBDII code P1AE1 clear the issue permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying problem causing the code is not addressed, it is likely to reoccur.

9. Is the OBDII code P1AE1 specific to certain vehicle makes or models?

- This code is often specific to hybrid or electric vehicles, particularly those equipped with drive motor control modules.

10. How urgent is it to address the OBDII code P1AE1 Drive Motor 2 Control Module System Voltage High?

- It is recommended to address this code promptly to prevent potential damage to other hybrid system components and ensure safe and efficient vehicle operation.