P0A0D - High Voltage System Interlock Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

P0A0D Possible Causes

  • Faulty Power Management Control ECU
  • Service plug grip
  • Faulty Inverter with converter assembly
  • Inverter with converter assembly harness is open or shorted
  • Inverter with converter assembly circuit poor electrical connection
  • Frame wire
  • Inverter terminal cover

How do I fix code P0A0D?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P0A0D code

Labor: 1.0

The cost of diagnosing the P0A0D code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0A0D Description

When the power management control ECU detects that a safety device is operated, it will prohibit hybrid system operation or shut off the system main relay. There are four safety devices in three different locations. The first safety device is located at the service plug grip. The second one is located at the frame wire that is connected to the inverter with converter assembly. The third one is located at the inverter terminal cover where the motor and generator cables and No. 2 engine wire (air conditioning harness) are connected to the inverter with converter assembly. If the service plug grip, inverter terminal cover, or frame wire is removed, the interlock signal line will be open. If the vehicle is being driven, this condition will be determined to be an open circuit and the system main relays will not be shut off. If the safety devices are re-installed correctly, the system will return to normal when the power switch is turned on (IG).
OBDII Code P0a0d - High Voltage System Interlock Circuit High - AutoCodes.com

More Information

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