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P0C48 OBD2: Hybrid Battery Pack Coolant Pump Control Circuit Low

P0C48 OBD2: Hybrid Battery Pack Coolant Pump Control Circuit Low

What Does the P0C48 Code Mean?

The P0C48 code is an OBD-II trouble code that indicates a malfunction in the Hybrid Battery Pack Coolant Pump Control Circuit. This code points to issues within the coolant pump that is responsible for circulating coolant through the hybrid battery pack.

What Causes the P0C48 Code?

Several factors can trigger the P0C48 code, including:

  • High voltage powertrain control module failure
  • Leak in the high voltage cooling system
  • Low coolant levels in the high voltage system
  • Water pump failure

What Are the Symptoms of the P0C48 Code?

When the P0C48 code is present, you may experience symptoms such as:

  • High voltage system may not operate

How Serious Is the P0C48 Code?

The P0C48 code is classified as urgent. It indicates a significant malfunction that can lead to severe damage to the vehicle’s hybrid system or potentially harm the driver and passengers. Immediate attention is necessary.

How to Diagnose the P0C48 Code

Diagnosing the P0C48 code involves a systematic approach:

  1. Use an OBD-II scanner to confirm the code.
  2. Inspect the coolant levels and check for leaks in the cooling system.
  3. Test the operation of the coolant pump and associated circuitry.
  4. Check the functionality of the hybrid powertrain control module.

Common Repairs for the P0C48 Code

Repairs for the P0C48 code may include:

  • Replacing a faulty hybrid powertrain control module
  • Repairing leaks in the high voltage cooling system
  • Refilling low coolant levels
  • Replacing a defective coolant pump

How Much Does It Cost to Fix the P0C48 Code?

The cost to repair the P0C48 code can vary significantly based on the specific issue, but typical repair costs can range from $100 to $1,500, depending on whether parts need to be replaced or if extensive labor is required.

Can I Fix the P0C48 Code Myself?

While some DIY enthusiasts may be able to address minor issues, such as checking coolant levels or inspecting for leaks, it is generally recommended to consult a professional mechanic. Proper diagnosis and repair are crucial to avoid further damage to the hybrid system.

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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