P0C85 2014 Chevrolet Silverado 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 2014 Chevrolet Silverado 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 2014 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 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 2014 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 P0C85 2014 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 P0C85 2014 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 P0C85 2014 Chevrolet Silverado Code
What does the OBD-II code P0C85 mean for a 2014 Chevrolet Silverado?
The code P0C85 indicates an issue with the Hybrid/EV Battery Temperature Sensor 8 Circuit, specifically erratic or irregular readings.
What are the common symptoms of code P0C85?
Symptoms may include the check engine light turning on, reduced hybrid system performance, and possible overheating of the battery pack.
What causes the P0C85 code to appear?
Common causes include a faulty battery temperature sensor, wiring issues such as corrosion or damage, or a malfunctioning hybrid battery control module.
Can I drive my 2014 Silverado with code P0C85?
Driving with this code is not recommended, as it could lead to hybrid system inefficiency or damage to the battery pack due to improper temperature monitoring.
How is code P0C85 diagnosed?
Technicians typically use an OBD-II scanner to confirm the code, inspect the battery temperature sensor and its wiring, and test the hybrid battery control module.
How do you fix code P0C85?
Repairs may involve replacing the faulty battery temperature sensor, repairing or replacing damaged wiring, or reprogramming or replacing the hybrid battery control module.
What tools are needed to fix code P0C85?
Common tools include a digital multimeter for testing wiring and sensors, an OBD-II scanner, and possibly specialty tools for accessing the hybrid battery system.
Is P0C85 a common issue for the 2014 Chevrolet Silverado?
While not widespread, P0C85 can occur in hybrid or EV models when battery temperature sensors or wiring degrade over time.
How much does it cost to repair code P0C85?
Repair costs can vary widely, from $100-$300 for sensor replacement to over $1,000 if the battery control module needs replacement.
Can neglecting code P0C85 cause long-term damage?
Yes, ignoring this code could lead to overheating or inefficient operation of the hybrid battery, potentially reducing its lifespan and performance.
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