AutoCodes – GMC – P1AE1 GMC

P1AE1 GMC 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 GMC 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 828

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

What does this mean?

What are the Possible Causes of the DTC P1AE1 GMC?

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 GMC?

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 GMC 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 P1AE1 GMC Code

What does the OBDII code P1AE1 mean for my GMC vehicle?

The P1AE1 code indicates a high voltage condition detected in the Drive Motor 2 Control Module system, which is part of the vehicle's hybrid or electric powertrain.

What are the common symptoms of the P1AE1 code?

Common symptoms may include warning lights on the dashboard, reduced power or performance, and the vehicle may enter a failsafe mode or limit acceleration.

What could cause the P1AE1 code to trigger?

Possible causes include faulty wiring or connectors, issues with the Drive Motor 2 Control Module, a failing battery pack, or problems with the vehicleâ€™s hybrid power management system.

How can I diagnose the P1AE1 code?

To diagnose the P1AE1 code, use an OBDII scanner to confirm the code and check for any related codes, inspect wiring and connectors for damage, and test the Drive Motor 2 Control Module and battery pack for proper operation.

Can I drive my GMC with the P1AE1 code?

It is not recommended to drive the vehicle with the P1AE1 code active, as it may lead to reduced performance and could pose safety risks. Addressing the issue promptly is advisable.

What repairs might be needed to fix the P1AE1 code?

Repairs may involve fixing or replacing damaged wiring, connectors, or the Drive Motor 2 Control Module, as well as ensuring the battery pack is functioning correctly.

Is the P1AE1 code something I can fix myself?

If you have experience with automotive electrical systems, you may be able to diagnose and repair some issues related to the P1AE1 code. However, for complex repairs, it's best to consult a professional mechanic.

How much does it typically cost to repair the P1AE1 code?

Repair costs can vary widely depending on the underlying issue, ranging from a few hundred dollars for minor wiring repairs to several thousand dollars for replacing major components like the Drive Motor 2 Control Module.

Will clearing the P1AE1 code fix the problem?

Clearing the P1AE1 code may temporarily turn off the warning light, but it will not address the underlying issue. The code is likely to return if the problem is not resolved.