AutoCodesGMC – P0AC6 2017 GMC Sierra

P0AC6 2017 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 2 Performance

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
P0AC6 2017 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 2 Performance.
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 184
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 P0AC6 2017 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 difference between a single battery temperature sensor and an average of the other battery temperature sensors is greater than 25°C (45°F).
OBDII Code P0AC6 2017 GMC Sierra - Hybrid/EV Battery Temperature Sensor 2 Performance - AutoCodes.com
P0AC6 2017 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 2 Performance

What are the Possible Causes of the DTC P0AC6 2017 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 P0AC6 2017 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 P0AC6 2017 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 P0AC6 2017 GMC Sierra code?

Need more information on how to fix the P0AC6 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P0AC6 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code P0AC6 in a 2017 GMC Sierra Hybrid/EV?

- Common symptoms may include reduced hybrid system performance, decreased fuel efficiency, and potential illumination of the check engine light.

2. What can cause the OBDII code P0AC6 to trigger in a 2017 GMC Sierra Hybrid/EV?

- The code P0AC6 typically indicates a performance issue with Hybrid/EV Battery Temperature Sensor 2, which can be caused by sensor malfunctions, wiring issues, or problems with the hybrid battery itself.

3. How serious is the OBDII code P0AC6 in a 2017 GMC Sierra Hybrid/EV?

- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential damage to the hybrid system components and ensure optimal vehicle performance.

4. Can I continue driving my 2017 GMC Sierra Hybrid/EV with the OBDII code P0AC6 present?

- It is recommended to limit driving and have the vehicle inspected by a qualified technician as soon as possible to diagnose and address the underlying issue causing the code.

5. What are some DIY repair tips for addressing OBDII code P0AC6 in a 2017 GMC Sierra Hybrid/EV?

- DIY repair options may be limited for this code due to the specialized nature of hybrid/EV systems. It is best to consult a professional technician with experience in hybrid vehicle repair.

6. How much does it typically cost to repair OBDII code P0AC6 in a 2017 GMC Sierra Hybrid/EV?

- The cost of repair can vary depending on the exact cause of the issue. It is advisable to get a diagnostic assessment from a qualified mechanic to determine the specific repair needs and associated costs.

7. Is it possible to reset the OBDII code P0AC6 in a 2017 GMC Sierra Hybrid/EV without fixing the underlying issue?

- While clearing the code may temporarily turn off the check engine light, the underlying problem causing the code will likely persist and may lead to further issues if left unaddressed.

8. How can I prevent OBDII code P0AC6 from recurring in my 2017 GMC Sierra Hybrid/EV?

- Regular maintenance of the hybrid/EV system, including monitoring the battery temperature sensors and addressing any issues promptly, can help prevent the reoccurrence of this code.

9. What are the potential risks of ignoring OBDII code P0AC6 in a 2017 GMC Sierra Hybrid/EV?

- Ignoring this code can lead to decreased fuel efficiency, reduced performance, and potential damage to the hybrid system components, resulting in costly repairs down the line.

10. Is the OBDII code P0AC6 specific to the 2017 GMC Sierra Hybrid/EV, or can it occur in other vehicles?

- While the specific code may vary between vehicle makes and models, issues related to Hybrid/EV Battery Temperature Sensor 2 performance can be found in various hybrid and electric vehicles.

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