OBD II Fault Code P0C79 :

Description of Fault code P0C79

Drive Motor "A" Inverter Voltage Too High

Possible failuer P0C79

• IPU failure (DC Voltage Monitoring Circuit failure)
• IPU failure (IGBT Module short-circuit fault)
• IPU failure (IGBT Module open fault)
• DMCM failure
• Gate Line open-circuit
• Bus Bar open fault
• Main Condenser breakage
• DMPI Module Cable open-circuit
• FC/CM-BVCM Cable open-circuit
• BVCM failure
• FC/CM failure
• BM failure
• BM Contactor failure

Diagnostic Procedure using AutoHex II Scan Tool

• The rear average wheel speed > 15km/h and vehicle speed on the meter<1km/h
• If the rear average wheel speed > 15km/h and VSP<1km/h lasts for 0.3 seconds, the malfunction is determined.

Test Conditions using AutoHex tester

• Vehicle speed / wheel speed is normal
• Brake is out of action
• The automatic brake is out of action

Clear Fault codes Conditions

• The rear average wheel speed > 15km/h and vehicle speed on the meter<1km/h
• If the rear average wheel speed > 15km/h and VSP<1km/h lasts for 0.3 seconds, the malfunction is determined.

MIL Status

• Glow ON

Note:

• AutoHex II is a professional Auto diagnostic.
• This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
  To get the accurate fault code description you may use AutoHex II

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