AutoCodes – GMC – P1AE9 GMC

P1AE9 GMC Code - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage

Quick Answer

The Drive Motor Generator Power Inverter Module contains two drive 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: P1AE9 GMC indicates Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage.
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 1,058

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 P1AE9 GMC Description

The Drive Motor Generator Power Inverter Module contains two drive motor control modules. Each drive motor control module monitors its internal high voltage sensor for correct operation, no external circuits are involved. The modules listed below are part of the drive motor generator power inverter module and are not serviced separately.
-Hybrid powertrain control module
-Motor control module 1
-Motor control module 2

OBDII Code P1AE9 GMC - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage - AutoCodes.com — P1AE9 GMC Code - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1AE9 GMC?

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 P1AE9 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 P1AE9 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 P1AE9 GMC Code

1. What are the common symptoms of OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- Common symptoms include the hybrid system warning light illuminating on the dashboard, reduced hybrid system performance, and potential issues with the vehicle's overall drivability.

2. What can cause the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- The code P1AE9 can be triggered by issues such as a faulty drive motor control module, problems with the hybrid battery voltage sense circuit, high voltage readings, or wiring/connectivity issues.

3. Are there any safety concerns associated with the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- Due to the high voltage nature of hybrid systems, it is important to address the P1AE9 code promptly to prevent potential safety hazards and further damage to the vehicle's components.

4. How can I diagnose the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- A thorough diagnostic process involving inspecting the drive motor control module, checking the hybrid battery voltage sense circuit, and testing for high voltage readings with specialized tools is recommended to pinpoint the exact cause.

5. What are some repair tips for addressing the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- Repair tips may include replacing a faulty drive motor control module, repairing or replacing wiring/connectors in the hybrid battery voltage sense circuit, and ensuring proper voltage levels within the system.

6. Can I continue driving my GMC with the OBDII code P1AE9 related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

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

7. Is it possible to reset the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- While clearing the code may temporarily turn off the warning light, it is essential to address the underlying issue causing the P1AE9 code to prevent its recurrence.

8. How long does it typically take to repair the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- The repair time can vary depending on the exact cause of the code, the availability of parts, and the complexity of the diagnostic and repair process. It is advisable to consult with a professional technician for a more accurate estimate.

9. Are there any recalls or technical service bulletins related to the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- It is recommended to check with the manufacturer or a certified dealership for any relevant recalls or technical service bulletins that may address the specific issue triggering the P1AE9 code in your GMC.

10. Can a DIY enthusiast without specialized tools and training repair the OBDII code P1AE9 in a GMC related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit High Voltage issue?

- Due to the complexity and safety considerations involved in hybrid system repairs, it is generally recommended to seek assistance from a qualified technician or dealership to properly diagnose and repair the issue triggering the P1AE9 code.