AutoCodes – Cadillac – P1AE1 Cadillac

P1AE1 Cadillac 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 Cadillac 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 758
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 01, 2020
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Code P1AE1 Cadillac 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 Cadillac - Drive Motor 2 Control Module System Voltage High - AutoCodes.com
P1AE1 Cadillac Code - Drive Motor 2 Control Module System Voltage High

What are the Possible Causes of the DTC P1AE1 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 Cadillac code?

Need more information on how to fix the P1AE1 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1AE1 Cadillac code diagnosed by a professional: Find a repair shop in your area

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 Cadillac Code

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

- Common symptoms include the check engine light coming on, reduced vehicle performance, and potential issues with the hybrid drive system.

2. What could cause the Drive Motor 2 Control Module System Voltage High in a Cadillac?

- Potential causes of this code can include a malfunctioning drive motor control module, wiring issues, or a faulty high voltage battery.

3. How serious is the P1AE1 code related to the Drive Motor 2 Control Module System Voltage High in a Cadillac?

- This code can indicate a potentially serious issue with the hybrid drive system and should be addressed promptly to prevent further damage and ensure safe operation of the vehicle.

4. Can I continue driving my Cadillac with the P1AE1 trouble code present?

- It is not recommended to continue driving the vehicle with this code active, as it can lead to further damage to the hybrid drive system and potentially unsafe driving conditions.

5. What are some DIY repair tips for resolving the Drive Motor 2 Control Module System Voltage High code in a Cadillac?

- DIY repair tips may include checking and cleaning the electrical connections, inspecting the wiring for any damage, and resetting the trouble code to see if it reoccurs.

6. How can a mechanic diagnose the cause of the P1AE1 trouble code in a Cadillac?

- A mechanic can use a scan tool to retrieve the specific details of the code, perform a visual inspection of the drive motor control module and related components, and conduct further testing to pinpoint the issue.

7. Is it safe to clear the P1AE1 trouble code without addressing the underlying issue in a Cadillac?

- Clearing the trouble code without addressing the root cause can temporarily turn off the check engine light, but the problem may persist and potentially lead to more severe issues down the line.

8. Are there any recalls or technical service bulletins related to the P1AE1 code in Cadillac vehicles?

- It's recommended to check with the manufacturer or a Cadillac dealership to inquire about any recalls or technical service bulletins related to this specific OBDII trouble code.

9. How much does it typically cost to repair the Drive Motor 2 Control Module System Voltage High issue in a Cadillac?

- Repair costs can vary depending on the exact cause of the problem, but they may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can the P1AE1 trouble code be a recurring issue in Cadillac vehicles, even after the initial repair?

- Yes, if the underlying cause of the trouble code is not properly addressed, it can reoccur in the future, highlighting the importance of thorough diagnosis and repair.

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