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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Hybrid Control System (Nickel Metal Hydride) - Diagnostic Codes (P0AE1-P1C87)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P0C30-00: Hybrid/EV Battery State of Charge High [04/2018 - 08/2020] >> Description

DTC P0C30-00: Hybrid/EV Battery State of Charge High [04/2018 - 08/2020]: Description

WARNING: This page is about a different car, the 2020 Toyota Avalon and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

The hybrid vehicle control ECU monitors the system internal operation and will store a DTC and perform fail-safe control if it detects the following malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0C30-00 Hybrid/EV Battery State of Charge High Charging prohibited
Charging of the HV battery continues even after charging is prohibited when the hybrid system is malfunctioning and "Hybrid Battery SOC" has reached the upper limit.
(1 trip detection logic)
Hybrid vehicle control ECU Does not come on Master Warning Light:
Comes on
RELATED DATA LIST

DTC No. Data List
P0C30-00
  • Hybrid Battery SOC
  • WIN Control Limit Power
  • Hybrid Battery Current