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P0BD6 OBD2: Drive Motor Inverter Temperature Sensor "D" Circuit

P0BD6 OBD2: Drive Motor Inverter Temperature Sensor “D” Circuit

What Does the P0BD6 Code Mean?

The P0BD6 code is an OBD-II diagnostic trouble code that indicates an issue with the Drive Motor Inverter Temperature Sensor “D” Circuit. This code is often triggered when the High Voltage control module detects a malfunction or a sudden temperature change within the inverter/converter assembly.

What Causes the P0BD6 Code?

The P0BD6 code can be caused by several factors, including:

  • Failure of the inverter/converter assembly
  • Malfunctioning temperature sensor
  • Issues with the cooling system related to the inverter/converter

What Are the Symptoms of the P0BD6 Code?

Common symptoms associated with the P0BD6 code include:

  • The high voltage system may not operate
  • The high voltage system temperature light may be illuminated

How Serious Is the P0BD6 Code?

The P0BD6 code is considered urgent. Immediate attention is required as failure to address this code could lead to significant damage to the vehicle’s electrical systems or pose risks to driver and passenger safety.

How to Diagnose the P0BD6 Code

To properly diagnose the P0BD6 code, a mechanic should:

  1. Use an OBD-II scanner to confirm the code and check for any related codes.
  2. Inspect the inverter/converter assembly and its cooling system for any visible damage or leaks.
  3. Test the temperature sensor to ensure it is functioning correctly.
  4. Check the wiring and connectors associated with the temperature sensor for any signs of wear or damage.

Common Repairs for the P0BD6 Code

To resolve the P0BD6 code, mechanics may perform the following repairs:

  • Replace the faulty inverter/converter assembly
  • Replace the temperature sensor
  • Repair or replace damaged wiring or connectors
  • Flush and service the cooling system

How Much Does It Cost to Fix the P0BD6 Code?

The cost of repairing the P0BD6 code can vary widely depending on the specific issue. Generally, repairs can range from $100 for minor wiring repairs to over $1,000 if the inverter/converter assembly needs replacement.

Can I Fix the P0BD6 Code Myself?

While some aspects of diagnosing the P0BD6 code, such as checking for visible damage or testing connections, can be done by a skilled DIYer, it is recommended to seek professional help for more complex repairs. Proper diagnosis and repair are crucial to ensure vehicle safety and performance.

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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