AutoCodes – Honda – P0AE9 Honda

P0AE9 Honda Code - High Voltage Battery Module Temperature Sensor 4 Range/Performance Problem

Quick Answer

The Engine Control Module (ECM) monitors the High Voltage Battery Module Temperature Sensor 4. Common causes include Faulty High Voltage Battery Module Temperature Sensor 4, High Voltage Battery Module Temperature Sensor 4 harness is open or shorted, High Voltage Battery Module Temperature Sensor 4 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: P0AE9 Honda indicates High Voltage Battery Module Temperature Sensor 4 Range/Performance Problem.
Common causes: Common causes include Faulty High Voltage Battery Module Temperature Sensor 4, High Voltage Battery Module Temperature Sensor 4 harness is open or shorted, High Voltage Battery Module Temperature Sensor 4 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 1,411

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 Jul 27, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0AE9 Honda Description

The Engine Control Module (ECM) monitors the High Voltage Battery Module Temperature Sensor 4. The ECM sets the OBDII code when the High Voltage Battery Module Temperature Sensor 4 is not to factory specifications.

OBDII Code P0AE9 Honda - High Voltage Battery Module Temperature Sensor 4 Range/Performance Problem - AutoCodes.com — P0AE9 Honda Code - High Voltage Battery Module Temperature Sensor 4 Range/Performance Problem

What does this mean?

What are the Possible Causes of the DTC P0AE9 Honda?

Faulty High Voltage Battery Module Temperature Sensor 4
High Voltage Battery Module Temperature Sensor 4 harness is open or shorted
High Voltage Battery Module Temperature Sensor 4 circuit poor electrical connection

How to Fix the DTC P0AE9 Honda?

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 P0AE9 Honda 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 P0AE9 Honda code?

Need more information on how to fix the P0AE9 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0AE9 Honda 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 P0AE9 Honda Code

1. What are the common symptoms of OBDII code P0AE9 in a Honda related to High Voltage Battery Module Temperature Sensor 4?

The common symptoms include reduced fuel efficiency, decreased power delivery, and the illumination of the Check Engine Light.

2. What typically causes the P0AE9 code in a Honda?

This code is usually triggered by a malfunction in the High Voltage Battery Module Temperature Sensor 4, which may be due to wiring issues, sensor failure, or problems with the battery module itself.

3. How can I diagnose the High Voltage Battery Module Temperature Sensor 4 issue in my Honda?

Diagnosing the problem involves using a scan tool to read the OBDII code P0AE9, checking the sensor's wiring for damage, and testing the sensor's resistance and voltage output.

4. Can I drive my Honda with the P0AE9 code present?

It is not recommended to drive your vehicle with the P0AE9 code active, as it can lead to further damage to the high voltage battery system and affect the vehicle's performance.

5. What are the repair options for fixing the High Voltage Battery Module Temperature Sensor 4 problem in a Honda?

Repair options include replacing the faulty sensor, repairing any damaged wiring, or addressing issues with the high voltage battery module if necessary.

6. How much does it typically cost to repair the P0AE9 code in a Honda?

The cost of repairing the P0AE9 code can vary depending on the extent of the issue, but it may range from $200 to $500 for parts and labor.

7. Are there any DIY tips for addressing the P0AE9 code in a Honda?

While some basic troubleshooting like checking the sensor wiring can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair of the issue.

8. Can the P0AE9 code be a recurring problem in a Honda?

If the root cause of the issue is not properly addressed during repair, the P0AE9 code may reoccur, necessitating further investigation and potential repairs.

9. How long does it take to fix the High Voltage Battery Module Temperature Sensor 4 problem in a Honda?

The repair time can vary depending on the exact cause of the issue and the availability of parts, but it typically takes a few hours to a day to complete the repair.

10. Is the P0AE9 code specific to certain Honda models?

The P0AE9 code related to the High Voltage Battery Module Temperature Sensor 4 can be specific to certain Honda hybrid models, such as the Honda Insight or Honda Accord Hybrid.