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P1AE8 Buick Code - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low 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: P1AE8 Buick indicates Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low 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 802

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 P1AE8 Buick 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 P1AE8 Buick - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage - AutoCodes.com — P1AE8 Buick Code - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1AE8 Buick?

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 P1AE8 Buick?

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 P1AE8 Buick 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 P1AE8 Buick Code

1. What are the common symptoms of OBDII code P1AE8 in a Buick related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- Common symptoms include reduced hybrid system performance, decreased fuel efficiency, and potential illumination of the hybrid system warning light.

2. What usually causes the OBDII code P1AE8 in a Buick related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- This code is commonly triggered by issues such as a faulty drive motor control module, a malfunctioning hybrid battery voltage sensor, or wiring/connectivity problems within the circuit.

3. How can I diagnose the OBDII code P1AE8 in a Buick related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- Diagnosis typically involves using a scan tool to retrieve the code, inspecting the drive motor control module and voltage sensor, and checking the circuit for any signs of damage or loose connections.

4. Is it safe to continue driving my Buick with the OBDII code P1AE8 related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- It is not recommended to drive the vehicle extensively with this code present, as it can lead to further damage to the hybrid system components and potentially impact vehicle performance.

5. Can I repair the OBDII code P1AE8 in a Buick related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage myself?

- While some basic inspections like checking for loose connections can be done by DIY enthusiasts, diagnosing and repairing underlying issues causing this code may require specialized equipment and expertise, so consulting a professional is advisable.

6. Are there any temporary fixes I can try for the OBDII code P1AE8 related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- Resetting the vehicle's computer system by disconnecting the battery for a few minutes may temporarily clear the code, but it is essential to address the root cause to prevent it from reoccurring.

7. How much does it typically cost to repair the OBDII code P1AE8 in a Buick related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred dollars for minor repairs to over a thousand dollars for more complex problems requiring part replacements.

8. Can extreme weather conditions affect the occurrence of the OBDII code P1AE8 related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- Yes, extreme temperatures can sometimes exacerbate existing issues within the hybrid system, leading to the triggering of this code. It's essential to address any underlying problems to prevent weather-related issues.

9. Will resetting the OBDII code P1AE8 related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage make it go away permanently?

- Resetting the code without addressing the underlying cause is unlikely to make it disappear permanently. It is crucial to diagnose and repair the root issue to prevent the code from reoccurring.

10. Can a low or failing hybrid battery cause the OBDII code P1AE8 in a Buick related to the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage?

- Yes, a low or failing hybrid battery can contribute to triggering this code due to issues with voltage sensing and regulation within the hybrid system. It's essential to inspect the battery's health as part of the diagnostic process.