AutoCodes – Generic – P0C6F

P0C6F Code - Hybrid Battery Temperature Sensor 'B'/'C' Correlation

Quick Answer

The battery temperature sensors are provided at 3 locations of the HV battery. Common causes include Faulty Hybrid battery thermistor, Faulty Battery smart unit, Hybrid battery thermistor harness is open or shorted. 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: P0C6F indicates Hybrid Battery Temperature Sensor 'B'/'C' Correlation.
Common causes: Common causes include Faulty Hybrid battery thermistor, Faulty Battery smart unit, Hybrid battery thermistor harness is open or shorted.
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 1,407

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0C6F Description

The battery temperature sensors are provided at 3 locations of the HV battery. The resistance of the thermistor, which is built into each battery temperature sensor, varies in accordance with changes in the HV battery temperature. The lower the battery temperature, the higher the thermistor resistance. Conversely, the higher the temperature, the lower the resistance. The battery smart unit uses the battery temperature sensors to detect the HV battery temperature, and sends the detected value to the power management control ECU. Based on the results of this detection, the power management control ECU controls the blower fan. (The blower fan starts when HV battery temperature rises above a predetermined level.)

OBDII Code P0C6F - Hybrid Battery Temperature Sensor 'B'/'C' Correlation - AutoCodes.com — P0C6F Code - Hybrid Battery Temperature Sensor 'B'/'C' Correlation

What does this mean?

What are the Possible Causes of the DTC P0C6F?

Faulty Hybrid battery thermistor
Faulty Battery smart unit
Hybrid battery thermistor harness is open or shorted
Hybrid battery thermistor circuit poor electrical connection

How to Fix the DTC P0C6F?

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 P0C6F 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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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.