AutoCodes – Chevrolet – P0AC7 Chevrolet

P0AC7 Chevrolet Code - Hybrid/EV Battery Temperature Sensor 2 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: P0AC7 Chevrolet indicates Hybrid/EV Battery Temperature Sensor 2 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 879

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 22, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0AC7 Chevrolet 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 P0AC7 Chevrolet - Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage - AutoCodes.com — P0AC7 Chevrolet Code - Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0AC7 Chevrolet?

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 P0AC7 Chevrolet?

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 P0AC7 Chevrolet 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 P0AC7 Chevrolet code?

Need more information on how to fix the P0AC7 Chevrolet code? Get Access to Factory Service Manuals

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Information for Specific Chevrolet Models

P0AC7 2014 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage
P0AC7 2015 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage
P0AC7 2016 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage
P0AC7 2017 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage
P0AC7 2018 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage

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 P0AC7 Chevrolet Code

1. What are common symptoms of OBDII code P0AC7 in a Chevrolet related to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage?

- Common symptoms include poor hybrid system performance, reduced fuel efficiency, and illuminated warning lights on the dashboard.

2. What are possible causes of the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage code P0AC7 in a Chevrolet?

- Potential causes include a faulty temperature sensor, wiring issues, a defective battery management system, or problems with the hybrid battery itself.

3. How can I diagnose the underlying issue causing code P0AC7 in my Chevrolet related to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage?

- Diagnosis typically involves checking the sensor's wiring for damage, testing the sensor's resistance, and inspecting the hybrid battery's temperature control module for faults.

4. Can I continue driving my Chevrolet with OBDII code P0AC7 related to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage?

- It is not recommended to continue driving the vehicle with this code as it can lead to further damage to the hybrid system and potentially compromise your safety.

5. What are the repair options for resolving code P0AC7 in a Chevrolet due to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage?

- Repairs may involve replacing the faulty temperature sensor, repairing damaged wiring, resetting the battery management system, or replacing the hybrid battery if necessary.

6. How crucial is it to address code P0AC7 in a Chevrolet related to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage promptly?

- It is important to address this code promptly to prevent further damage to the hybrid system and ensure optimal performance and fuel efficiency of your vehicle.

7. Are there any DIY repair tips for fixing OBDII code P0AC7 caused by issues with the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage in a Chevrolet?

- DIY tips may include checking and cleaning sensor connections, inspecting wiring for visible damage, and ensuring proper insulation to prevent further issues.

8. Can extreme temperatures affect the Hybrid/EV Battery Temperature Sensor 2 Circuit and trigger code P0AC7 in a Chevrolet?

- Yes, extreme temperatures can impact the sensor's performance and contribute to triggering the code due to temperature-related issues within the hybrid system.

9. How can regular maintenance help prevent OBDII code P0AC7 related to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage in a Chevrolet?

- Regular maintenance, including checking the hybrid system components and sensors, can help identify potential issues early and prevent the occurrence of code P0AC7.

10. Is it necessary to visit a dealership or a specialized repair shop to diagnose and repair code P0AC7 in a Chevrolet related to the Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage?

- While visiting a dealership or a specialized repair shop is recommended for accurate diagnosis and repair, some basic troubleshooting steps can be performed at home before seeking professional help.