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P0C35 GMC Code - Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage

Quick Answer

The P0C35 GMC code indicates an issue with the Hybrid/EV Battery Temperature Sensor 6 Circuit, specifically a low voltage condition. Common causes include Faulty Temperature Sensor: The most common cause of this code is a malfunctioning Hybrid/EV Battery Temperature Sensor 6, Wiring Issues: Damaged or corroded wiring in the temperature sensor circuit can cause a low voltage condition, Connector Problems: Loose or damaged connectors connecting the sensor to the vehicle's electrical system can trigger this code. 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
P0C35 GMC indicates Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage.
Common causes
Common causes include Faulty Temperature Sensor: The most common cause of this code is a malfunctioning Hybrid/EV Battery Temperature Sensor 6, Wiring Issues: Damaged or corroded wiring in the temperature sensor circuit can cause a low voltage condition, Connector Problems: Loose or damaged connectors connecting the sensor to the vehicle's electrical system can trigger this code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0C35 GMC Description

The P0C35 GMC code indicates an issue with the Hybrid/EV Battery Temperature Sensor 6 Circuit, specifically a low voltage condition. In hybrid and electric vehicles, the battery temperature sensor plays a crucial role in monitoring the temperature of the battery pack. This information is essential for the battery management system to ensure optimal performance, efficiency, and safety of the battery pack. When the sensor detects a low voltage condition, it means that there is a problem with the circuit that could lead to inaccurate temperature readings or a complete failure to read the temperature. This can have a significant impact on the vehicle's performance, as the battery management system relies on accurate temperature data to regulate the temperature of the battery pack during charging and discharging cycles.

OBDII Code P0C35 GMC - Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage
P0C35 GMC Code - Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage

Common Causes of P0C35 GMC

  1. Faulty Temperature Sensor: The most common cause of this code is a malfunctioning Hybrid/EV Battery Temperature Sensor 6.
  2. Wiring Issues: Damaged or corroded wiring in the temperature sensor circuit can cause a low voltage condition.
  3. Connector Problems: Loose or damaged connectors connecting the sensor to the vehicle's electrical system can trigger this code.
  4. Battery Management System Malfunction: An issue with the battery management system could also lead to a low voltage condition in the temperature sensor circuit.

Symptoms of P0C35 GMC

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
  2. Inaccurate Battery Temperature Readings: The vehicle may display incorrect battery temperature readings on the instrument cluster.
  3. Reduced Fuel Efficiency: A low voltage condition in the battery temperature sensor circuit can lead to decreased fuel efficiency in hybrid vehicles.
  4. Battery Overheating: In more severe cases, the battery pack may overheat due to the sensor's inability to regulate the temperature effectively.

How to Fix P0C35 GMC

  1. Diagnose the Issue: Use a diagnostic scanner to read the code and pinpoint the exact cause of the low voltage condition in the Hybrid/EV Battery Temperature Sensor 6 Circuit.
  2. Inspect the Sensor: Check the condition of the temperature sensor and its wiring for any visible damage or corrosion.
  3. Repair or Replace Sensor: If the sensor is faulty, replace it with a new one. Ensure proper installation and connection to the vehicle's electrical system.
  4. Check Wiring and Connectors: Inspect the wiring and connectors in the sensor circuit for any damage or loose connections. Repair or replace as necessary.
  5. Clear the Code: After completing the repair, clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0C35 GMC

The cost of repairing a low voltage condition in the Hybrid/EV Battery Temperature Sensor 6 Circuit can vary depending on the extent of the damage and the specific cause of the issue. In general, you can expect to pay anywhere from $200 to $500 for parts and labor. This estimate includes the cost of a new temperature sensor, any necessary wiring or connector repairs, and the labor charges for diagnostics and repair. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle make and model.

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Information for Specific GMC Models

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 P0C35 GMC Code

1. What are the common symptoms of OBDII code P0C35 in a GMC hybrid/EV vehicle?

The common symptoms of OBDII code P0C35 include poor fuel efficiency, reduced power, and potential issues with the hybrid/EV system's battery temperature regulation.

2. What can cause the Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage code (P0C35) in a GMC vehicle?

The P0C35 code in a GMC vehicle is typically caused by a malfunctioning temperature sensor, wiring issues, or a problem with the hybrid/EV battery system.

3. How serious is the P0C35 code in a GMC hybrid/EV vehicle?

While the P0C35 code may not cause immediate drivability issues, it can impact the overall performance and efficiency of the hybrid/EV system. It is recommended to address this code promptly to avoid further complications.

4. Can I continue driving my GMC vehicle with the P0C35 code present?

It is not advisable to continue driving your GMC vehicle with the P0C35 code active, as it can lead to decreased fuel efficiency and potential damage to the hybrid/EV battery system. It is recommended to address the issue as soon as possible.

5. How can I diagnose and repair the Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage code in my GMC vehicle?

Diagnosing and repairing the P0C35 code typically involves checking the temperature sensor, inspecting the wiring for any damage, and testing the hybrid/EV battery system components. It is recommended to consult a professional mechanic for an accurate diagnosis and proper repair.

6. Will resetting the OBDII code P0C35 in my GMC vehicle make the issue go away?

Resetting the P0C35 code may temporarily turn off the check engine light, but it will not fix the underlying issue causing the code. It is important to diagnose and address the root cause of the problem to prevent future occurrences.

7. Can a DIY enthusiast fix the P0C35 code in a GMC hybrid/EV vehicle?

While some basic troubleshooting steps like checking connections and sensor integrity can be done by a DIY enthusiast, diagnosing and repairing the P0C35 code in a GMC hybrid/EV vehicle often requires specialized knowledge and tools. Consulting a professional mechanic is recommended.

8. How much does it typically cost to repair the P0C35 code in a GMC hybrid/EV vehicle?

The cost of repairing the P0C35 code in a GMC vehicle can vary depending on the root cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain quotes from different mechanics or dealerships for an accurate estimate.

9. Are there any preventive maintenance tips to avoid the P0C35 code in a GMC hybrid/EV vehicle?

Regularly inspecting the hybrid/EV system components, ensuring proper battery maintenance, and addressing any warning signs promptly can help prevent issues like the P0C35 code from occurring in a GMC hybrid/EV vehicle.

10. Can the P0C35 code in a GMC hybrid/EV vehicle be related to other mechanical problems?

While the P0C35 code specifically relates to the Hybrid/EV Battery Temperature Sensor 6 Circuit Low Voltage, it is possible for underlying issues causing this code to affect other components of the hybrid/EV system. It is essential to conduct a thorough diagnosis to rule out any related problems.

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