P0C09 OBD-II: Drive Motor "B" Phase U-V-W Circuit Low
P0C09 Severity
Should you fix P0C09 yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P0C09?
The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. Because the two Motor Control Modules are wired together, the current flowing through both modules should be the same. If they are not, code P0C09 is set. The High Voltage System will be disabled.
OBD II Fault Code
- OBD II P0C09
OBD-II Code High voltage system may not operate is defined as a Drive Motor "B" Phase U-V-W Circuit Low
The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. Because the two Motor Control Modules are wired together, the current flowing through both modules should be the same. If they are not, code P0C09 is set. The High Voltage System will be disabled.
High voltage system may not operate Symptoms
- High voltage system may not operate
Common Problems That Trigger the P0C09 Code
- Drive motor generator assembly failure
- Drive motor generator power inverter control module failure
Ask our experts about P0C09.
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