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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 116 (Hybrid Control System (AWD) - Diagnostic Codes (4 Of 6)) >> HYBRID CONTROL SYSTEM (for AWD) >> DTC P0C30-00: Hybrid/EV Battery State of Charge High [12/2019 - 11/2023] >> Description

DTC P0C30-00: Hybrid/EV Battery State of Charge High [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

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
  • HV battery junction block assembly
  • Battery voltage sensor
  • Hybrid battery thermistor (wire harness or connector)
  • Wire harness or connector
Does not come on Master Warning:
Comes on
RELATED DATA LIST

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