AutoCodes – Generic – P0CE6

P0CE6 Code - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage

Quick Answer

The valve provides position feedback to the hybrid/EV powertrain control module 2 based on a potentiometer in the valve. Common causes include Faulty Hybrid/EV Battery Pack Coolant Control Valve Position Sensor, Hybrid/EV Battery Pack Coolant Control Valve Position Sensor harness is open or shorted, Hybrid/EV Battery Pack Coolant Control Valve Position Sensor 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
P0CE6 indicates Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage.
Common causes
Common causes include Faulty Hybrid/EV Battery Pack Coolant Control Valve Position Sensor, Hybrid/EV Battery Pack Coolant Control Valve Position Sensor harness is open or shorted, Hybrid/EV Battery Pack Coolant Control Valve Position Sensor 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 1,493
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 26, 2020
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Code P0CE6 Description

The valve provides position feedback to the hybrid/EV powertrain control module 2 based on a potentiometer in the valve. The hybrid/EV powertrain control module 2 uses this feedback to monitor the valve position. Different valve positions correspond to different resistance values. The hybrid/EV powertrain control module 2 determines the resistance values corresponding to the end stop positions of the valve by moving the valve to an end-stop and back to its original position when the vehicle is first turned on. This is referred to as the hybrid/EV powertrain control module 2 "diagnostic learn" the valve. This provides a valve shaft breakage test and allows the hybrid/EV powertrain control module 2 to "learn" the position feedback value that corresponds to that end-stop. The end-stop that is used at each Vehicle in Service Mode alternates between each end, the radiator end one time, the chiller end the next time, the radiator end the next time, etc.
OBDII Code P0CE6 - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage - AutoCodes.com
P0CE6 Code - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P0CE6?

  • Faulty Hybrid/EV Battery Pack Coolant Control Valve Position Sensor
  • Hybrid/EV Battery Pack Coolant Control Valve Position Sensor harness is open or shorted
  • Hybrid/EV Battery Pack Coolant Control Valve Position Sensor circuit poor electrical connection

How to Fix the DTC P0CE6?

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 P0CE6 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 Makes

  • P0CE6 Buick β€” Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage
  • P0CE6 Cadillac β€” Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage
  • P0CE6 Chevrolet β€” Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage
  • P0CE6 GMC β€” Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage
  • P0CE6 Saturn β€” Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage
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 P0CE6 Code

1. What are the common symptoms of OBDII code P0CE6?

The common symptoms of code P0CE6 include reduced hybrid/EV battery performance, decreased fuel efficiency, and potential illumination of the check engine light.

2. What causes the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage code P0CE6?

This code is typically caused by issues with the coolant control valve position sensor circuit, such as a faulty sensor, damaged wiring, or poor electrical connections.

3. How can I diagnose the cause of OBDII code P0CE6?

Diagnosing code P0CE6 usually involves using a scan tool to retrieve the specific fault codes, testing the coolant control valve position sensor and its circuit for proper functionality, and inspecting the wiring and connections for any defects.

4. Can I still drive my vehicle with code P0CE6 present?

It is not recommended to drive your vehicle with code P0CE6 present, as it can lead to further damage to the hybrid/EV battery system and potentially cause performance issues or safety concerns.

5. How can I repair OBDII code P0CE6?

Repairing code P0CE6 may involve replacing the faulty coolant control valve position sensor, repairing any damaged wiring or connections, and clearing the fault codes with a scan tool.

6. Is it safe to reset the OBDII code P0CE6 without fixing the underlying issue?

Resetting the code without addressing the underlying issue may temporarily turn off the check engine light, but the problem will persist and could lead to more serious issues down the line.

7. Can a DIY enthusiast fix OBDII code P0CE6 at home?

While some DIY enthusiasts may be able to diagnose and repair code P0CE6 at home, it is recommended to consult a professional mechanic or technician with experience in hybrid/EV systems for proper diagnosis and repair.

8. How do I prevent OBDII code P0CE6 from occurring in the future?

Regular maintenance and inspections of the hybrid/EV battery system, including checking the coolant control valve position sensor and its circuit, can help prevent code P0CE6 from occurring in the future.

9. Are there any recalls or service bulletins related to OBDII code P0CE6?

It is recommended to check with the vehicle manufacturer or authorized dealerships for any recalls or service bulletins related to code P0CE6, as there may be known issues or solutions available.

10. Can code P0CE6 affect the overall performance of my hybrid/EV vehicle?

Yes, code P0CE6 can affect the overall performance of your hybrid/EV vehicle by impacting battery cooling and potentially reducing efficiency and power output. It is important to address this code promptly to avoid further issues.

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