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P0C35 OBD2: Hybrid Battery Temperature Sensor "F" Circuit Low

P0C35 OBD2: Hybrid Battery Temperature Sensor “F” Circuit Low

The P0C35 code is a diagnostic trouble code (DTC) that indicates an issue with the hybrid battery’s temperature sensor, specifically sensor “F”. This code is part of the OBD-II (On-Board Diagnostics II) system used in hybrid vehicles to monitor and manage the performance of the hybrid battery pack.

What Does the P0C35 Code Mean?

The P0C35 code signifies that the Hybrid Battery Temperature Sensor “F” is reporting a low circuit condition. This means that the sensor is detecting a temperature value that is outside the normal operational range. If this sensor malfunctions, it can affect the overall performance of the hybrid battery system and may lead to further complications.

What Causes the P0C35 Code?

Several factors can trigger the P0C35 code, including:

  • Failure of the high voltage battery assembly
  • Malfunction of the high voltage battery interface control module
  • Wiring issues within the hybrid battery temperature sensor circuit

What Are the Symptoms of the P0C35 Code?

Drivers may not notice any immediate symptoms, but some common indicators include:

  • Dashboard warning lights, specifically the check engine light
  • Reduced hybrid battery performance
  • Possible disabling of the high voltage system if multiple sensors fail

How Serious Is the P0C35 Code?

The severity of the P0C35 code is classified as urgent. It indicates a significant malfunction that could lead to severe damage to the vehicle’s hybrid system. Immediate action is recommended to prevent further complications or safety hazards.

How to Diagnose the P0C35 Code

To accurately diagnose the P0C35 code, follow these steps:

  1. Use an OBD-II scanner to confirm the P0C35 code and check for any related codes.
  2. Inspect the wiring and connectors related to the hybrid battery temperature sensors for damage or corrosion.
  3. Test the Hybrid Battery Temperature Sensor “F” for proper function using a multimeter.
  4. Examine the high voltage battery assembly and control module for any signs of failure.

Common Repairs for the P0C35 Code

Repairs for the P0C35 code may include:

  • Repairing or replacing damaged wiring or connectors
  • Replacing the faulty Hybrid Battery Temperature Sensor “F”
  • Replacing the high voltage battery assembly or interface control module if necessary

How Much Does It Cost to Fix the P0C35 Code?

The cost to repair the P0C35 code can vary widely depending on the specific issue. On average, repairs can range from $100 to $1,500, depending on whether sensor replacements or more extensive battery system repairs are needed.

Can I Fix the P0C35 Code Myself?

While some DIY enthusiasts may attempt to fix the P0C35 code by replacing the sensor or repairing wiring issues, it is recommended to seek professional assistance. Proper diagnosis and repair of hybrid systems can be complex and may require specialized knowledge and tools.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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