P0AEA 2015 GMC Sierra 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 2015 GMC Sierra 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.
Code P0AEA 2015 GMC Sierra Description
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).
What are the Possible Causes of the DTC P0AEA 2015 GMC Sierra?
- 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 2015 GMC Sierra?
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 2015 GMC Sierra 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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Frequently Asked Questions about P0AEA 2015 GMC Sierra Code
1. What does OBDII code P0AEA mean for a 2015 GMC Sierra?
P0AEA indicates an issue with Hybrid/EV Battery Temperature Sensor 4, specifically a low voltage condition in its circuit.
2. What are the common symptoms of code P0AEA?
Symptoms may include a check engine light, reduced hybrid/EV performance, limited drive power, or the vehicle entering a fail-safe mode.
3. What causes the P0AEA code to appear?
Common causes include a faulty battery temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the hybrid battery control module.
4. Can I continue driving my 2015 GMC Sierra with code P0AEA?
It’s not recommended, as the issue may lead to improper battery temperature management, potentially causing further damage or reduced vehicle performance.
5. How is P0AEA diagnosed?
A technician will use a scan tool to check for related codes, inspect the battery temperature sensor and wiring, and test the sensor circuit for proper voltage and resistance.
6. How do you fix the P0AEA code?
Repairs may involve replacing the faulty temperature sensor, repairing or replacing damaged wiring or connectors, and updating or reprogramming the battery control module if needed.
7. How much does it cost to fix the P0AEA code?
Repair costs can vary, but replacing a battery temperature sensor typically costs between $150 and $400, depending on parts and labor.
8. Can a weak hybrid battery cause the P0AEA code?
While the code specifically points to the temperature sensor circuit, a failing hybrid battery could indirectly cause electrical issues that trigger the code.
9. Do I need special tools to diagnose P0AEA on a 2015 GMC Sierra?
Yes, diagnosing this code may require an advanced scan tool capable of reading hybrid/EV system data and a multimeter for electrical testing.
10. Is the P0AEA code specific to GMC Sierra hybrids?
No, this code can appear in other hybrid or EV vehicles, but the exact repair steps may vary depending on the make and model.
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