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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery System - Diagnostic Codes (4 Of 8) >> Hybrid Battery System >> DTC P0C30-00: Hybrid/EV Battery State of Charge High [12/2023 - ] >> Description

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

The battery ECU assembly monitors the operation of the hybrid battery system and will store this DTC if it detects a malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate DTC Output from Priority
P0C30-00 Hybrid/EV Battery State of Charge High Even though charging of the EV supply battery assembly is prohibited due to the SOC reaching the upper limit, charging continues to be performed due to a hybrid control system malfunction.
(1 trip detection logic)
  • EV control ECU
  • No. 1 EV battery junction block assembly
Master Warning:
Comes on
EV Battery A
RELATED DATA LIST

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