P0AEC 2018 Chevrolet Silverado Code - Hybrid/EV Battery Temperature Sensor 4 Circuit Erratic
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
- P0AEC 2018 Chevrolet Silverado indicates Hybrid/EV Battery Temperature Sensor 4 Circuit Erratic.
- 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 P0AEC 2018 Chevrolet Silverado 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 intermittent or has changed by 10°C (18°F) or greater for 4 out of 5 seconds.
What are the Possible Causes of the DTC P0AEC 2018 Chevrolet Silverado?
- 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 P0AEC 2018 Chevrolet Silverado?
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 P0AEC 2018 Chevrolet Silverado 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 P0AEC 2018 Chevrolet Silverado code?
Need more information on how to fix the P0AEC 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0AEC 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0AEC 2018 Chevrolet Silverado Code
1. What does the OBDII code P0AEC mean on a 2018 Chevrolet Silverado?
Code P0AEC indicates an issue with the Hybrid/EV Battery Temperature Sensor 4 Circuit, specifically detecting erratic signals from the sensor.
2. What are common symptoms of the P0AEC code in a 2018 Chevrolet Silverado?
Symptoms may include illuminated warning lights (e.g., check engine or hybrid system warning), reduced fuel efficiency, limited hybrid system performance, or the vehicle operating in a reduced power mode.
3. What causes the P0AEC code to appear?
Possible causes include a faulty battery temperature sensor, damaged wiring or connectors in the sensor circuit, or an issue with the vehicle’s hybrid control module.
4. Can I drive my 2018 Chevrolet Silverado with the P0AEC code?
Driving with the P0AEC code is not recommended, as it may lead to further damage to the hybrid battery system or cause the vehicle to enter a reduced performance mode.
5. How do I diagnose the P0AEC code in my 2018 Chevrolet Silverado?
Diagnosis typically involves scanning the vehicle with an OBDII scanner, inspecting the wiring and connections to the temperature sensor, and testing the sensor for proper resistance and voltage.
6. How much does it cost to repair the P0AEC code on a 2018 Chevrolet Silverado?
Repair costs vary depending on the issue but may range from $100 to $300 for sensor replacement or wiring repair. Hybrid control module issues can be more expensive.
7. Can a faulty battery temperature sensor cause long-term damage to my Silverado’s hybrid system?
Yes, a faulty sensor can lead to improper temperature management of the hybrid battery, potentially reducing its lifespan or causing overheating.
8. How can I prevent the P0AEC code from occurring in the future?
Regular maintenance, inspecting hybrid system components, and addressing any warning lights promptly can help prevent this issue from recurring.
9. Do I need specialized tools to fix the P0AEC code?
Yes, diagnosing and repairing hybrid-related codes like P0AEC typically requires specialized diagnostic tools and knowledge of hybrid systems.
10. Is the P0AEC code covered under warranty for a 2018 Chevrolet Silverado?
It may be covered under the hybrid system or powertrain warranty, depending on your vehicle's warranty terms. Check with your dealership for details.
Discuss the causes and fixes for P0AEC 2018 Chevrolet Silverado OBDII Code
Code P0AEC 2018 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
