AutoCodesGMC – P0ACC 2015 GMC Sierra

P0ACC 2015 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 3 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
P0ACC 2015 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 3 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 270
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 22, 2024
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Code P0ACC 2015 GMC Sierra 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 P0ACC 2015 GMC Sierra - Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage - AutoCodes.com
P0ACC 2015 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage

What are the Possible Causes of the DTC P0ACC 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 P0ACC 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 P0ACC 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.

Need more information about the P0ACC 2015 GMC Sierra code?

Need more information on how to fix the P0ACC 2015 GMC Sierra code? Get Access to Factory Service Manuals

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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 P0ACC 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P0ACC in a 2015 GMC Sierra Hybrid/EV?

- Common symptoms include reduced fuel efficiency, loss of power, and a warning light on the dashboard indicating an issue with the hybrid/EV battery temperature sensor circuit.

2. What could cause the OBDII code P0ACC in a 2015 GMC Sierra Hybrid/EV?

- The code P0ACC typically indicates a low voltage condition in the Hybrid/EV Battery Temperature Sensor 3 circuit, which could be caused by a faulty sensor, damaged wiring, or issues with the hybrid/EV battery itself.

3. How can I diagnose the Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage issue in my 2015 GMC Sierra?

- To diagnose the problem, you can use a diagnostic scan tool to retrieve the specific trouble code and then inspect the wiring, connectors, and the sensor itself for any visible damage or corrosion.

4. Can I drive my 2015 GMC Sierra with the P0ACC code present?

- It is not recommended to drive your vehicle with the P0ACC code active, as it can lead to further damage to the hybrid/EV system. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair the Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage issue in my 2015 GMC Sierra?

- Repairing the P0ACC code may involve replacing the faulty Hybrid/EV Battery Temperature Sensor 3, repairing or replacing damaged wiring, or addressing any issues with the hybrid/EV battery itself.

6. Is it safe to reset the OBDII code P0ACC in my 2015 GMC Sierra without fixing the underlying issue?

- While clearing the trouble code may temporarily turn off the warning light, it is not a permanent solution. It is important to address the root cause of the P0ACC code to prevent potential damage to the hybrid/EV system.

7. How much does it typically cost to repair the Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage issue in a 2015 GMC Sierra?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve sensor replacement, wiring repairs, or battery system diagnostics. Costs can range from a few hundred to over a thousand dollars.

8. Can a DIY enthusiast fix the P0ACC code in a 2015 GMC Sierra Hybrid/EV?

- While some individuals with automotive repair experience may be able to diagnose and repair simple wiring issues related to the Hybrid/EV Battery Temperature Sensor 3 circuit, more complex repairs may require professional expertise.

9. Will the P0ACC code cause permanent damage to my 2015 GMC Sierra Hybrid/EV if left unfixed?

- Ignoring the P0ACC code can potentially lead to further damage to the hybrid/EV system, affecting performance and fuel efficiency. It is advisable to address the issue promptly to prevent costly repairs in the future.

10. How often does the Hybrid/EV Battery Temperature Sensor 3 Circuit Low Voltage issue occur in 2015 GMC Sierra vehicles?

- While the occurrence rate may vary, issues related to the Hybrid/EV Battery Temperature Sensor 3 circuit are relatively uncommon but can still happen due to sensor failure, wiring issues, or battery malfunctions.

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