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P0C10 OBD2: Drive Motor "B" Inverter Power Supply Circuit High

P0C10 OBD2: Drive Motor “B” Inverter Power Supply Circuit High

What Does the P0C10 Code Mean?

The P0C10 code indicates a problem with the Drive Motor “B” Inverter Power Supply Circuit. This code is set when the Drive Motor Generator Power Inverter Control Module detects that the power supply circuit is operating at a high voltage level, which may be outside the normal operating range.

What Causes the P0C10 Code?

The P0C10 code can be triggered by several issues, primarily involving the Drive Motor Generator Power Inverter Control Module. Common causes include:

  • Drive motor generator power inverter control module failure
  • Faulty wiring or connectors in the power supply circuit
  • High voltage battery issues affecting the inverter’s performance

What Are the Symptoms of the P0C10 Code?

Drivers may experience various symptoms when the P0C10 code is present, including:

  • Warning lights on the dashboard (such as the check engine light)
  • Reduced power output or acceleration
  • Unusual noises from the inverter
  • Intermittent electrical issues

How Serious Is the P0C10 Code?

The P0C10 code is categorized as urgent. It indicates significant malfunctions that can lead to severe damage to the vehicle or pose safety risks to the driver and passengers. Immediate action is advised to diagnose and resolve the issue.

How to Diagnose the P0C10 Code

Diagnosing the P0C10 code involves a systematic approach:

  1. Use an OBD-II scanner to confirm the presence of the P0C10 code.
  2. Inspect the wiring and connections related to the power inverter circuit for any visible damage.
  3. Test the Drive Motor Generator Power Inverter Control Module for proper operation.
  4. Check the high voltage battery and associated components for any faults.

Common Repairs for the P0C10 Code

Repair options for the P0C10 code may include:

  • Replacing the Drive Motor Generator Power Inverter Control Module
  • Repairing or replacing damaged wiring and connectors
  • Addressing high voltage battery issues

How Much Does It Cost to Fix the P0C10 Code?

The cost to fix the P0C10 code can vary widely depending on the underlying cause:

  • Minor repairs (wiring, connectors): $100 – $300
  • Control module replacement: $1,000 – $2,500

Labor costs may also apply, so it’s best to consult with a professional mechanic for an accurate estimate.

Can I Fix the P0C10 Code Myself?

While some basic diagnostics and repairs (like checking wiring) can be done by a knowledgeable DIYer, the complexity of the Drive Motor Generator Power Inverter Control Module often requires professional expertise. Attempting to fix this code without proper tools and knowledge 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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