P0AD9 OBD-II: Hybrid Battery Positive Contactor Control Circuit/Open
P0AD9 Severity
Should you fix P0AD9 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 P0AD9?
The High Voltage System is engaged and disengaged through the Hybrid Control Module. If the Hybrid Control Module cannot control the circuit to the high voltage battery, code P0AD9 will set.The Hybrid Control Module may disable the high voltage system.
Need a P0AD9 diagnosis? Trust our experts.
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OBD II Fault Code
- OBD II P0AD9
OBD-II Code High voltage system may not operate is defined as a Hybrid Battery Positive Contactor Control Circuit/Open
The High Voltage System is engaged and disengaged through the Hybrid Control Module. If the Hybrid Control Module cannot control the circuit to the high voltage battery, code P0AD9 will set.The Hybrid Control Module may disable the high voltage system.
High voltage system may not operate Symptoms
- High voltage system may not operate
- Vehicle will not charge
Common Problems That Trigger the P0AD9 Code
- Auxiliary 12V battery failure
- High voltage control module failure
- Wiring issue
Ask our experts about P0AD9.
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