AutoCodes - OBDII Code List - P0C77 TOYOTA

P0C77 TOYOTA - Hybrid Battery System Precharge Time Too Short

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Comments  |  Add Comment

P0C77 TOYOTA Possible Causes

  • Faulty Inverter with converter assembly
  • Inverter with converter assembly harness is open or shorted
  • Inverter with converter assembly circuit poor electrical connection
  • Faulty Power management control ECU

How do I fix code P0C77 TOYOTA

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.

Cost of diagnosing the P0C77 TOYOTA code

Labor: 1.0

The cost of diagnosing the P0C77 TOYOTA 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)

P0c77 Toyota Description

The inverter contains a three-phase bridge circuit, which consists of six power transistors (IGBTs) each for MG1 and MG2. The inverter converts high-voltage direct current from the HV battery into three-phase alternating current for generator (MG1) and motor (MG2); it also converts three-phase alternating current supplied by generator (MG1) and motor (MG2) into direct current for the HV battery. The MG ECU controls the actuation of the power transistors (IGBTs). The inverter transmits information necessary for control, such as amperage and voltage, to the MG ECU.
OBDII Code P0c77 Toyota - Hybrid Battery System Precharge Time Too Short - AutoCodes.com

P0C77 TOYOTA More Information

Need more information on how to fix the P0C77 TOYOTA code?
Get Access to Factory Service Manuals

Need more help?

Get the P0c77 Toyota code diagnosed by a professional: Find a repair shop in your area

Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0c77 Toyota code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧