Engine-Codes.com
Engine-Codes – GMC – P0ACE 2018 GMC Sierra

P0ACE 2018 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic

Quick Answer

The diagnostic trouble code P0ACE for a 2018 GMC Sierra indicates a problem with the Hybrid/EV Battery Temperature Sensor 3 Circuit being erratic. Common causes include Faulty battery temperature sensor, Wiring issues or shorts in the sensor circuit, Corrosion or damage to sensor connections. 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
P0ACE 2018 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic.
Common causes
Common causes include Faulty battery temperature sensor, Wiring issues or shorts in the sensor circuit, Corrosion or damage to sensor connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0ACE 2018 GMC Sierra Description

The diagnostic trouble code P0ACE for a 2018 GMC Sierra indicates a problem with the Hybrid/EV Battery Temperature Sensor 3 Circuit being erratic. In hybrid and electric vehicles, the battery temperature sensor plays a crucial role in monitoring the temperature of the battery pack to ensure optimal performance and safety. When this sensor malfunctions or sends erratic signals, it can lead to various issues with the vehicle's hybrid or electric system.

OBDII Code P0ACE 2018 GMC Sierra - Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
P0ACE 2018 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic

Common Causes of P0ACE 2018 GMC Sierra

  1. Faulty battery temperature sensor
  2. Wiring issues or shorts in the sensor circuit
  3. Corrosion or damage to sensor connections
  4. Issues with the battery pack affecting sensor readings
  5. Software or calibration issues in the hybrid system

Symptoms of P0ACE 2018 GMC Sierra

  1. Check engine light illuminated
  2. Hybrid system warning light on the dashboard
  3. Decreased fuel economy
  4. Power loss
  5. Drivability issues

How to Fix P0ACE 2018 GMC Sierra

  1. Diagnose the code using a diagnostic scan tool to pinpoint the exact cause of the issue.
  2. Inspect the battery temperature sensor, wiring, and connections for any signs of damage or corrosion.
  3. Test the sensor's functionality and compare readings to specifications to determine if it is faulty.
  4. Replace the battery temperature sensor if it is found to be malfunctioning or sending erratic signals.
  5. Clear the diagnostic trouble code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0ACE 2018 GMC Sierra

The typical repair costs for addressing a Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic code can range from $200 to $500, including parts and labor. However, it's essential to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate before proceeding with the repair.

Need more information about the P0ACE 2018 GMC Sierra code?

Need more information on how to fix the P0ACE 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0ACE 2018 GMC Sierra 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 P0ACE 2018 GMC Sierra Code

1. What does the OBDII code P0ACE mean on a 2018 GMC Sierra?

The code P0ACE indicates an issue with the Hybrid/EV Battery Temperature Sensor 3 Circuit, specifically that it is behaving erratically or sending inconsistent signals.

2. What are the symptoms of code P0ACE on a 2018 GMC Sierra?

Common symptoms include the check engine light turning on, reduced hybrid or EV performance, decreased fuel efficiency, and potential battery overheating warnings.

3. What causes code P0ACE to appear on a 2018 GMC Sierra?

Possible causes include a faulty battery temperature sensor, damaged wiring or connectors in the sensor circuit, a malfunctioning hybrid battery control module, or electrical interference.

4. Can I drive my 2018 GMC Sierra with code P0ACE?

Driving with this code is not recommended, as it may lead to improper battery temperature management, potentially causing damage to the hybrid battery or reduced performance.

5. How do I diagnose the P0ACE code on a 2018 GMC Sierra?

Diagnosis involves inspecting the battery temperature sensor and its wiring for damage, testing the sensor’s operation with a multimeter, and using a scan tool to check the hybrid battery control module.

6. How is the P0ACE code fixed on a 2018 GMC Sierra?

Repairs may include replacing the faulty temperature sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the hybrid battery control module.

7. How much does it cost to fix the P0ACE code on a 2018 GMC Sierra?

The repair cost can range from $150 to $500, depending on whether the issue is with the sensor, wiring, or control module, and labor costs at your repair shop.

8. Can a bad battery temperature sensor damage the hybrid battery in a 2018 GMC Sierra?

Yes, a malfunctioning sensor can lead to improper battery temperature regulation, potentially causing overheating or reduced battery life.

9. Is a software update required to fix the P0ACE code on a 2018 GMC Sierra?

In some cases, a software update for the hybrid battery control module may be required if the issue is related to programming errors.

10. How can I prevent the P0ACE code from returning on my 2018 GMC Sierra?

Regular maintenance, inspecting the battery system during servicing, and addressing wiring or connector issues promptly can help prevent this code from recurring.

Discuss the causes and fixes for P0ACE 2018 GMC Sierra OBDII Code

Submit a New Comment

Code P0ACE 2018 GMC Sierra comments

No comments found for this page.