P0AEC 2016 GMC Sierra 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 2016 GMC Sierra 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 2016 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 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 2016 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 P0AEC 2016 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 P0AEC 2016 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.
Need more information about the P0AEC 2016 GMC Sierra code?
Need more information on how to fix the P0AEC 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0AEC 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0AEC 2016 GMC Sierra Code
What does the OBDII code P0AEC mean in a 2016 GMC Sierra?
P0AEC indicates an issue with the Hybrid/EV Battery Temperature Sensor 4 Circuit, specifically that its readings are erratic or inconsistent.
What are the common symptoms of code P0AEC in a 2016 GMC Sierra?
Symptoms may include reduced hybrid battery performance, warning lights on the dashboard, or limited power delivery from the hybrid system.
What causes the P0AEC code in a 2016 GMC Sierra?
Potential causes include a faulty battery temperature sensor, damaged wiring or connectors, or issues with the hybrid battery control module.
Can I drive my 2016 GMC Sierra with the P0AEC code?
Driving with this code may lead to reduced fuel efficiency or hybrid system performance. It’s best to address the issue promptly to avoid further damage.
How can I diagnose the P0AEC code in a 2016 GMC Sierra?
Use an OBDII scanner to confirm the code, then inspect the affected temperature sensor, wiring, and connectors for damage or corrosion.
How do I fix the P0AEC code on my 2016 GMC Sierra?
Repairs may involve replacing the faulty temperature sensor, repairing damaged wiring, or addressing issues with the hybrid battery control module.
Is the P0AEC code covered under warranty for a 2016 GMC Sierra?
Warranty coverage depends on your vehicle's specific warranty terms and mileage. Check with your dealership for confirmation.
What tools are needed to fix the P0AEC code on a 2016 GMC Sierra?
You’ll typically need an OBDII scanner, multimeter, and basic hand tools to diagnose and repair the issue.
Does the P0AEC code affect fuel efficiency in a 2016 GMC Sierra?
Yes, erratic readings from the battery temperature sensor can impact the hybrid system’s efficiency, potentially lowering fuel economy.
Can a failing battery temperature sensor cause other problems in a 2016 GMC Sierra?
Yes, inaccurate sensor readings can affect the hybrid system's operation and potentially lead to overheating or reduced battery life.
Discuss the causes and fixes for P0AEC 2016 GMC Sierra OBDII Code
Code P0AEC 2016 GMC Sierra 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.
