AutoCodes – Chevrolet – P1AEE Chevrolet

P1AEE Chevrolet Code - Drive Motor 1 Control Module Hybrid Battery System Voltage High

Quick Answer

The Drive Motor Generator Power Inverter Control Module contains two motor control modules. Common causes include Faulty Drive Motor Generator Power Inverter Module, Drive Motor Generator Power Inverter Module harness is open or shorted, Drive Motor Generator 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: P1AEE Chevrolet indicates Drive Motor 1 Control Module Hybrid Battery System Voltage High.
Common causes: Common causes include Faulty Drive Motor Generator Power Inverter Module, Drive Motor Generator Power Inverter Module harness is open or shorted, Drive Motor Generator 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 5,416

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1AEE Chevrolet Description

The Drive Motor Generator Power Inverter Control Module contains two motor control modules. Each motor control modules measures hybrid battery high voltage with several internal sensors. The battery energy control module also monitors high voltage with several internal sensors. The battery energy control module high voltage measurement is broadcast over serial data.

OBDII Code P1AEE Chevrolet - Drive Motor 1 Control Module Hybrid Battery System Voltage High - AutoCodes.com — P1AEE Chevrolet Code - Drive Motor 1 Control Module Hybrid Battery System Voltage High

What does this mean?

What are the Possible Causes of the DTC P1AEE Chevrolet?

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

How to Fix the DTC P1AEE 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 does this mean?

Code Tech Notes

2017 Malibu and Volt models. These models are equipped with the 5ET50 automatic transmission (RPOs MKV, MKE), which is an electronically-controlled, continuously-variable electric transmission (or drive unit) on hybrid models.
The following DTCs may be set:
- P1AEE - Drive Motor 1 Control Module Hybrid/EV Battery System Voltage High Voltage
- P1AEF- Drive Motor 2 Control Module Hybrid/EV Battery System Voltage High Voltage
- P1AF0 - Drive Motor 1 Control Module Hybrid/EV Battery Voltage System Isolation Lost
- P1AF2 - Drive Motor 2 Control Module Hybrid/EV Battery Voltage System Isolation Lost
- P1E22 - Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost
If only two or three of these DTCs are set, follow the appropriate Service Information diagnostic procedures. The cause may not be any internal components of the transmission.
If all five DTCs are set, there is an internal fault with the transmission and the transmission requires replacement. Do not attempt any internal repairs.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1AEE 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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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 P1AEE Chevrolet Code

1. What are the common symptoms of OBDII code P1AEE in a Chevrolet related to the Drive Motor 1 Control Module Hybrid Battery System Voltage High?

- Common symptoms include a illuminated check engine light, reduced fuel efficiency, and potential drivability issues.

2. What are some possible causes of OBDII code P1AEE in a Chevrolet indicating high voltage in the Drive Motor 1 Control Module Hybrid Battery System?

- Possible causes can include a faulty drive motor control module, issues with the hybrid battery system, or wiring problems.

3. How can I diagnose OBDII code P1AEE in a Chevrolet related to the Drive Motor 1 Control Module Hybrid Battery System Voltage High?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, checking the drive motor control module, inspecting the hybrid battery system, and testing the related wiring.

4. Can I continue driving my Chevrolet with OBDII code P1AEE indicating high voltage in the Drive Motor 1 Control Module Hybrid Battery System?

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

5. What are some repair tips for fixing OBDII code P1AEE in a Chevrolet with Drive Motor 1 Control Module Hybrid Battery System Voltage High?

- Repair tips may include checking and repairing any damaged wiring, replacing the drive motor control module if necessary, and ensuring the hybrid battery system is functioning properly.

6. Is it safe to reset the OBDII code P1AEE in a Chevrolet without addressing the underlying issue?

- While resetting the code may temporarily turn off the check engine light, it is important to address the root cause of the high voltage in the hybrid system to prevent further issues.

7. Can a DIY enthusiast fix OBDII code P1AEE in a Chevrolet related to the Drive Motor 1 Control Module Hybrid Battery System Voltage High?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code, but it is recommended to consult a professional for complex hybrid system issues.

8. How much does it typically cost to repair OBDII code P1AEE indicating high voltage in the Drive Motor 1 Control Module Hybrid Battery System of a Chevrolet?

- Repair costs can vary depending on the specific issue, but they may range from a few hundred to over a thousand dollars, especially if components like the drive motor control module need replacement.

9. Are there any recalls or technical service bulletins related to OBDII code P1AEE in Chevrolet vehicles with Drive Motor 1 Control Module Hybrid Battery System Voltage High?

- It's advisable to check with the manufacturer or a Chevrolet dealership to inquire about any relevant recalls or technical service bulletins addressing this specific code to see if any repairs may be covered under warranty.

10. How can regular maintenance help prevent OBDII code P1AEE from occurring in a Chevrolet with Drive Motor 1 Control Module Hybrid Battery System Voltage High?

- Regular maintenance, such as checking the hybrid system components, ensuring proper charging of the battery, and addressing any warning lights promptly, can help prevent issues leading to this code.