P0C85 Chevrolet Code - Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic
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
- P0C85 Chevrolet indicates Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic.
- 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 P0C85 Chevrolet 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 intermittent or has changed by 10°C (18°F) or greater for 4 out of 5 seconds.
What are the Possible Causes of the DTC P0C85 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 P0C85 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 P0C85 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.
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Information for Specific Chevrolet Models
- P0C85 2014 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic
- P0C85 2015 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic
- P0C85 2016 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic
- P0C85 2017 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic
- P0C85 2018 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 8 Circuit Erratic
Frequently Asked Questions about P0C85 Chevrolet Code
What does the OBDII code P0C85 mean on a Chevrolet vehicle?
1. P0C85 indicates an issue with the Hybrid/EV Battery Temperature Sensor 8 Circuit, where the sensor is reporting erratic or inconsistent readings. 2.
What are the common symptoms of a P0C85 code in a Chevrolet?
Symptoms may include a check engine light, reduced hybrid/EV performance, limited range, or the vehicle entering limp mode. 3.
What causes the P0C85 code to appear?
The code can be triggered by a faulty temperature sensor, damaged wiring or connectors, a malfunctioning battery control module, or software issues. 4.
Can I still drive my Chevrolet with a P0C85 code?
Driving with a P0C85 code is not recommended, as it may lead to further damage to the hybrid/EV battery or reduced performance. 5.
How do I diagnose the P0C85 code on my Chevrolet?
Diagnosis involves checking the temperature sensor's wiring and connectors for damage, testing the sensor's signal, and using a scan tool to monitor sensor data. 6.
How is the P0C85 code fixed?
Repairs may include replacing the faulty temperature sensor, repairing damaged wiring, updating the vehicle's software, or replacing the battery control module if needed. 7.
How much does it cost to fix the P0C85 code on a Chevrolet?
Repair costs vary but typically range from $100 to $300 for sensor replacement and labor, with additional costs if other components are faulty. 8.
Can a bad hybrid/EV battery cause the P0C85 code?
Yes, if the battery has internal issues affecting the temperature sensor's operation or readings, it can trigger the code. 9.
Will resetting the code fix the P0C85 issue?
Resetting the code without addressing the underlying problem will not fix the issue, and the code will likely return. 10.
How can I prevent the P0C85 code from appearing in the future?
Regularly inspect the battery system, ensure proper vehicle maintenance, and address any electrical issues promptly to prevent this code.
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