AutoCodes – Cadillac – P0CE6 Cadillac

P0CE6 Cadillac 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 Cadillac 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 993
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 Cadillac 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
OBDII Code P0CE6 Cadillac - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage - AutoCodes.com
P0CE6 Cadillac Code - Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P0CE6 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 P0CE6 Cadillac code?

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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 P0CE6 Cadillac Code

1. What are the common symptoms of OBDII code P0CE6 in a Cadillac Hybrid/EV?

- Common symptoms include reduced hybrid system performance, illuminated check engine light, and potential issues with the battery cooling system.

2. What could cause the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage code in a Cadillac?

- The code P0CE6 can be triggered by a faulty coolant control valve position sensor, damaged wiring, low coolant levels, or an issue with the hybrid battery cooling system.

3. How does the low voltage in the coolant control valve position sensor circuit affect the Cadillac's performance?

- Low voltage in the sensor circuit can lead to improper cooling of the hybrid battery pack, potentially causing overheating issues and impacting the vehicle's overall performance.

4. Can I continue driving my Cadillac with the P0CE6 code present?

- It is not advisable to drive the vehicle with the P0CE6 code active, as it can lead to further damage to the hybrid battery system and affect the vehicle's drivability.

5. How can I diagnose and repair the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage code in my Cadillac?

- Diagnosis typically involves checking the sensor, wiring, coolant levels, and the overall battery cooling system. Repair may involve replacing the faulty sensor, repairing damaged wiring, or addressing cooling system issues.

6. Is it possible to reset the OBDII code P0CE6 in a Cadillac after making repairs?

- Yes, after the underlying issue causing the code is addressed and repaired, the code can be cleared using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

7. Will the P0CE6 code disappear on its own if the issue is not fixed?

- The P0CE6 code is unlikely to disappear on its own unless the underlying issue causing the fault is resolved. Ignoring the code can lead to further complications.

8. What role does the coolant control valve position sensor play in the Cadillac's hybrid system?

- The coolant control valve position sensor helps regulate the flow of coolant to maintain optimal operating temperatures for the hybrid battery pack, ensuring efficient performance and longevity.

9. Are there any preventive maintenance tips to avoid triggering the P0CE6 code in a Cadillac Hybrid/EV?

- Regularly checking coolant levels, monitoring the hybrid system's performance, and addressing any cooling system issues promptly can help prevent triggering the P0CE6 code.

10. How long does it typically take to repair the Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low Voltage issue in a Cadillac?

- The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a day to diagnose, repair, and clear the P0CE6 code in a Cadillac.

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