P0AC8 2015 Chevrolet Silverado Code - Hybrid/EV Battery Temperature Sensor 2 Circuit High 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
- P0AC8 2015 Chevrolet Silverado indicates Hybrid/EV Battery Temperature Sensor 2 Circuit High 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.
Code P0AC8 2015 Chevrolet Silverado 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 less than -69°C (-92°F).
What are the Possible Causes of the DTC P0AC8 2015 Chevrolet Silverado?
- 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 P0AC8 2015 Chevrolet Silverado?
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 P0AC8 2015 Chevrolet Silverado 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.
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Frequently Asked Questions about P0AC8 2015 Chevrolet Silverado Code
What does the OBDII code P0AC8 mean for a 2015 Chevrolet Silverado?
The P0AC8 code indicates an issue with the Hybrid/EV Battery Temperature Sensor 2 Circuit, specifically that it’s detecting high voltage.
What are the common symptoms of the P0AC8 code?
Common symptoms include the check engine light turning on, reduced fuel efficiency, limited hybrid system performance, or the vehicle entering limp mode.
What causes the P0AC8 code to appear?
Potential causes include a faulty battery temperature sensor, damaged wiring or connectors, a malfunctioning hybrid battery control module, or an electrical short in the circuit.
Can I continue driving with the P0AC8 code active?
It’s not recommended to drive for extended periods with this code, as it may impact the hybrid system’s performance and risk further damage to the vehicle.
How do I diagnose the P0AC8 code?
Diagnosis involves using a professional scan tool to check for related codes, visually inspecting the wiring and connectors, and testing the battery temperature sensor and associated circuits.
How is the P0AC8 code repaired?
Repairs may include replacing the faulty battery temperature sensor, fixing damaged wiring or connectors, or reprogramming or replacing the hybrid battery control module.
Is the P0AC8 code covered under warranty for a 2015 Chevrolet Silverado?
It depends on your vehicle's warranty and coverage terms, such as whether the hybrid battery components are still under warranty.
How much does it cost to fix the P0AC8 code?
Repair costs vary but may range from $150 to $500 depending on whether the issue is with the sensor, wiring, or control module.
Can a low battery charge trigger the P0AC8 code?
While the P0AC8 code specifically relates to the temperature sensor circuit, an improperly functioning battery or low charge could exacerbate the issue.
Do I need special tools to fix the P0AC8 code?
Yes, diagnosing and repairing this code typically requires a professional-grade scan tool and multimeter to test the sensor and circuit accurately.
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