AutoCodes – GMC – P0AEA GMC

P0AEA GMC Code - Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage

Quick Answer

Hybrid/EV Battery Temperature Sensors are used to monitor the battery temperature. Common causes include Faulty Hybrid/EV Battery Assembly, Hybrid/EV Battery Assembly harness is open or shorted, Hybrid/EV Battery Assembly 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: P0AEA GMC indicates Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage.
Common causes: Common causes include Faulty Hybrid/EV Battery Assembly, Hybrid/EV Battery Assembly harness is open or shorted, Hybrid/EV Battery Assembly 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 669

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 22, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0AEA GMC Description

Hybrid/EV Battery Temperature Sensors are used to monitor the battery temperature. The non-serviceable battery temperature sensors are located within the battery sections. Two temperature sensors are located in each battery section. The temperature sensor is a variable resistor that measures the temperature of the battery cell group. The hybrid/EV interface control module supplies 5 V to the signal circuit and is a ground for the low reference circuit. The battery temperature sensor resistance changes with battery temperature. As the temperature decreases, the sensor resistance increases. As the temperature increases, the sensor resistance decreases.
Each Hybrid/EV Battery Interface Control Module communicates the temperature sensor values to the Hybrid/EV Powertrain Control Module via serial data.
The Hybrid/EV Powertrain Control Module uses the battery temperature sensors to determine the Hybrid/EV Battery Module temperature in order to control the battery cooling system operation.
The Diagnostic Trouble Code (DTC) will be set when the hybrid battery temperature sensor is greater than 160°C (320°F).

OBDII Code P0AEA GMC - Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage - AutoCodes.com — P0AEA GMC Code - Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0AEA GMC?

Faulty Hybrid/EV Battery Assembly
Hybrid/EV Battery Assembly harness is open or shorted
Hybrid/EV Battery Assembly circuit poor electrical connection
Faulty Hybrid/EV Battery Interface Control Module

How to Fix the DTC P0AEA 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 P0AEA 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.

Need more information about the P0AEA GMC code?

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Need Help with the Code?

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Information for Specific GMC Models

P0AEA 2014 GMC Sierra — Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage
P0AEA 2015 GMC Sierra — Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage
P0AEA 2016 GMC Sierra — Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage
P0AEA 2017 GMC Sierra — Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage
P0AEA 2018 GMC Sierra — Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage

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 P0AEA GMC Code

1. What are the common symptoms of OBDII code P0AEA GMC related to the Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- The common symptoms include decreased fuel efficiency, reduced power, illuminated check engine light, and potential issues with the hybrid or electric vehicle system.

2. What are the possible causes of OBDII code P0AEA GMC indicating Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- The code may be triggered by a faulty battery temperature sensor, damaged wiring or connectors, a weak or failing hybrid battery, or issues with the hybrid/EV battery temperature sensor circuit.

3. How can I diagnose the OBDII code P0AEA GMC for Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the battery temperature sensor and its connections, and testing the sensor's resistance and voltage to determine if it is functioning correctly.

4. What are the repair options for OBDII code P0AEA GMC related to Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- Repair options may include replacing the faulty battery temperature sensor, repairing damaged wiring or connectors, recalibrating the sensor, or addressing any underlying issues with the hybrid/EV battery system.

5. Can I continue driving with OBDII code P0AEA GMC indicating Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- It is not recommended to continue driving with this code unresolved, as it can lead to further damage to the hybrid or electric vehicle system. It is best to address the issue promptly to ensure safe and efficient operation.

6. How important is the Hybrid/EV Battery Temperature Sensor in the vehicle's operation?

- The Hybrid/EV Battery Temperature Sensor plays a crucial role in monitoring and regulating the temperature of the battery pack, which is essential for the performance and longevity of the hybrid or electric vehicle system.

7. Can a DIY enthusiast repair OBDII code P0AEA GMC related to Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- While some basic troubleshooting and inspections can be done by DIY enthusiasts, repairing or replacing the battery temperature sensor and addressing related issues may require specialized tools and knowledge, so professional assistance is often recommended.

8. Are there any preventive maintenance tips to avoid OBDII code P0AEA GMC for Hybrid/EV Battery Temperature Sensor issues?

- Regularly inspecting the battery temperature sensor, checking the battery connections, and ensuring proper maintenance of the hybrid/EV system can help prevent issues with the sensor and avoid triggering the trouble code.

9. How long does it typically take to repair OBDII code P0AEA GMC related to Hybrid/EV Battery Temperature Sensor 4 Circuit Low Voltage?

- The repair time can vary depending on the exact cause of the issue, availability of parts, and the complexity of the repair. It is best to consult with a professional technician to get an accurate estimate of the repair time.

10. Can resetting the OBDII code P0AEA GMC resolve the issue temporarily?

- Resetting the trouble code may temporarily turn off the check engine light, but if the underlying issue with the Hybrid/EV Battery Temperature Sensor is not addressed, the code is likely to reappear. It is essential to diagnose and repair the issue to prevent further problems.