P0A93 - Inverter 'A' Cooling System Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P0A93 Possible Causes

  • Faulty Inverter cooling system
  • Inverter cooling system harness is open or shorted
  • Inverter cooling system circuit poor electrical connection
  • Faulty Water pump with motor assembly
  • Faulty Cooling fan motor
  • Faulty No. 2 cooling fan motor
  • Faulty Inverter with converter assembly

First diagnose P0A93 code

    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 terminals.

Cost of diagnosing the P0A93 code

    Labor: 1.0

    The cost of diagnosing the P0A93 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.

P0A93 Possible Symptoms

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

P0a93 Description

The inverter converts the high-voltage direct current of the HV battery into the alternating current for the MG1 and the MG2. The inverter generates heat during the conversion process, and this heat could damage the inverter if a cooling system is unavailable. Therefore, similar to the MG1 and the MG2, the inverter is cooled by a dedicated cooling system, which consists of an electric water pump, cooling fan, and radiator. This cooling system is independent of the engine cooling system.
OBDII Code P0a93 - Inverter 'A' Cooling System Performance - AutoCodes.com

P0A93 More Information

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