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P0C08 OBD2: Drive Motor "B" Phase U-V-W Circuit/Open

P0C08 OBD2: Drive Motor “B” Phase U-V-W Circuit/Open

What Does the P0C08 Code Mean?

The P0C08 code indicates a problem with the Drive Motor “B” Phase U-V-W Circuit. This code is typically set when there is an issue with the current flowing through the Motor Control Modules of the Drive Motor Generator Power Inverter Control Module.

What Causes the P0C08 Code?

The primary cause of the P0C08 code is a discrepancy in the current flowing through the two Motor Control Modules that are part of the Drive Motor Generator Power Inverter Control Module. If the current levels are not the same, this can trigger the code and disable the High Voltage System.

What Are the Symptoms of the P0C08 Code?

  • High voltage system may not operate

How Serious Is the P0C08 Code?

The P0C08 code is classified as urgent. It indicates a significant malfunction that can lead to severe damage to the vehicle or pose risks to the driver and passengers. Immediate action is necessary to address this issue.

How to Diagnose the P0C08 Code

Diagnosing the P0C08 code involves a thorough inspection of the Drive Motor Generator Power Inverter Control Module and its associated wiring. Technicians will verify current levels in both Motor Control Modules and check for any signs of damage or failure.

Common Repairs for the P0C08 Code

  • Repair or replace the Drive Motor Generator Assembly
  • Repair or replace the Drive Motor Generator Power Inverter Control Module

How Much Does It Cost to Fix the P0C08 Code?

The cost to repair the P0C08 code can vary widely based on the specific repairs needed. Generally, repairs can range from a few hundred to several thousand dollars, particularly if the Drive Motor Generator Assembly or Power Inverter Control Module needs replacement.

Can I Fix the P0C08 Code Myself?

While some DIY enthusiasts may attempt to fix the P0C08 code, it is recommended to have a professional diagnose and repair the issue. Proper diagnosis is crucial, as simply replacing parts without understanding the underlying problems may lead to further issues.

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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