AutoCodesChevrolet – P0C8B 2017 Chevrolet Silverado

P0C8B 2017 Chevrolet Silverado Code - Hybrid/EV Battery Temperature Sensor 9 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
P0C8B 2017 Chevrolet Silverado indicates Hybrid/EV Battery Temperature Sensor 9 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.
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Code Popularity 510
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 22, 2024
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Code P0C8B 2017 Chevrolet Silverado 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 less than -69°C (-92°F).
OBDII Code P0C8B 2017 Chevrolet Silverado - Hybrid/EV Battery Temperature Sensor 9 Circuit High Voltage - AutoCodes.com
P0C8B 2017 Chevrolet Silverado Code - Hybrid/EV Battery Temperature Sensor 9 Circuit High Voltage

What are the Possible Causes of the DTC P0C8B 2017 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 P0C8B 2017 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 P0C8B 2017 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.

Need more information about the P0C8B 2017 Chevrolet Silverado code?

Need more information on how to fix the P0C8B 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P0C8B 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P0C8B on a 2017 Chevrolet Silverado Hybrid/EV?

- Common symptoms include the check engine light illuminating, reduced fuel efficiency, and potential issues with the hybrid/EV system's performance.

2. What does the OBDII code P0C8B indicate on a 2017 Chevrolet Silverado Hybrid/EV?

- OBDII code P0C8B specifically points to a problem with the Hybrid/EV Battery Temperature Sensor 9 Circuit High Voltage in the vehicle.

3. What are the possible causes of OBDII code P0C8B on a 2017 Chevrolet Silverado Hybrid/EV?

- Causes of this code can include a faulty battery temperature sensor, wiring issues, high voltage in the circuit, or problems with the hybrid/EV battery itself.

4. How can I diagnose the cause of OBDII code P0C8B on my 2017 Chevrolet Silverado Hybrid/EV?

- Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking the battery temperature sensor and related wiring for faults, and testing the voltage in the circuit.

5. What are the potential risks of ignoring OBDII code P0C8B on a 2017 Chevrolet Silverado Hybrid/EV?

- Ignoring this code can lead to further damage to the hybrid/EV system, reduced fuel efficiency, and potential safety hazards related to the high voltage in the circuit.

6. Is it safe to continue driving my 2017 Chevrolet Silverado Hybrid/EV with OBDII code P0C8B?

- It is not recommended to continue driving the vehicle with this code present, as it can indicate underlying issues that may worsen over time and affect the vehicle's performance.

7. Can I repair OBDII code P0C8B on my 2017 Chevrolet Silverado Hybrid/EV myself?

- While some DIY enthusiasts may attempt to address this issue, it is generally recommended to have a professional technician diagnose and repair the problem to ensure it is properly resolved.

8. How much does it typically cost to fix OBDII code P0C8B on a 2017 Chevrolet Silverado Hybrid/EV?

- The cost of repairs for this code can vary depending on the root cause of the issue, but it may involve replacing the battery temperature sensor, repairing wiring, or addressing other related components.

9. Are there any preventive maintenance tips to avoid OBDII code P0C8B on a 2017 Chevrolet Silverado Hybrid/EV?

- Regularly inspecting the hybrid/EV system, keeping up with routine maintenance, and addressing any warning signs promptly can help prevent issues like code P0C8B from occurring.

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