P0ACD 2018 Chevrolet Silverado Code - Hybrid/EV Battery Temperature Sensor 3 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
- P0ACD 2018 Chevrolet Silverado indicates Hybrid/EV Battery Temperature Sensor 3 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 P0ACD 2018 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 P0ACD 2018 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 P0ACD 2018 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 P0ACD 2018 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 P0ACD 2018 Chevrolet Silverado Code
1. What does the OBDII code P0ACD mean on a 2018 Chevrolet Silverado?
P0ACD indicates a problem with the Hybrid/EV Battery Temperature Sensor 3 Circuit reporting high voltage, suggesting an issue with the sensor, its wiring, or the battery management system.
2. What are the common symptoms of the P0ACD code?
Symptoms may include an illuminated check engine light, reduced hybrid/EV performance, limited power mode activation, or irregular battery temperature readings.
3. What causes the P0ACD code to appear?
Possible causes include a faulty battery temperature sensor, damaged or corroded wiring and connectors, or issues within the battery management system.
4. Can I drive my 2018 Chevrolet Silverado with the P0ACD code?
Driving is possible but may be risky, as the vehicle’s hybrid system could experience reduced performance or overheating issues without proper temperature regulation.
5. How is the P0ACD code diagnosed?
Diagnosis involves scanning for codes, inspecting the sensor and wiring for damage or corrosion, and testing the voltage and resistance of the temperature sensor.
6. How do I fix the P0ACD code on my Silverado?
Repairs may include replacing the faulty temperature sensor, repairing damaged wiring or connectors, or updating the battery management system software if necessary.
7. How much does it cost to fix the P0ACD code?
The repair cost depends on the issue, with sensor replacements typically costing $100-$300, while wiring repairs or software updates may vary.
8. Can a weak hybrid battery cause the P0ACD code?
A weak or failing hybrid battery is not a direct cause but may exacerbate issues with the battery management system or sensors.
9. How do I prevent the P0ACD code from returning?
Regular maintenance, inspecting wiring and connectors for corrosion, and monitoring the battery’s performance can help prevent this code from recurring.
10. Is the P0ACD code specific to the 2018 Chevrolet Silverado?
No, this code can appear on other hybrid or EV vehicles, but the specific causes and repair steps may vary by make and model.
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