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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 P0E2D-00: Hybrid/EV Battery Energy Control Module Hybrid/EV Battery Monitor Performance [11/2020 - 12/2022] >> Description

DTC P0E2D-00: Hybrid/EV Battery Energy Control Module Hybrid/EV Battery Monitor Performance [11/2020 - 12/2022]: Description

The battery voltage sensor detects the cell voltage of the EV supply battery assembly. The battery voltage sensor performs self diagnosis of the internal cell voltage detection circuit, and informs the battery ECU assembly of the result. The battery ECU assembly stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate DTC Output from Priority
P0E2D-00 Hybrid/EV Battery Energy Control Module Hybrid/EV Battery Monitor Performance The battery voltage sensor detects a malfunction of its internal EV battery cell voltage detection circuits.
(1 trip detection logic)
  • Battery ECU assembly
  • Battery voltage sensor (for upper side)
  • Battery voltage sensor (for lower side)
  • No. 1 EV supply stack sub-assembly
  • No. 2 EV supply stack sub-assembly
  • EV battery terminal block
  • Wire harness or connector
  • FCV with motor transaxle assembly
  • FC air compressor with motor assembly
  • Inverter with converter assembly
  • No. 2 battery pack wire
  • Motor cable
  • FC air compressor motor cable assembly
Master Warning:
Comes on
EV Battery A
RELATED DATA LIST

DTC No. Data List
P0E2D-00
  • Hybrid/EV Battery Cell 1 to 84 Voltage
  • Lost Communication with Hybrid/EV Battery Monitoring IC
  • Hybrid/EV Battery Monitoring IC 1 Internal Malfunction (Determinable)
  • Hybrid/EV Battery Monitoring IC 2 Internal Malfunction (Determinable)
  • Hybrid/EV Battery Monitoring IC 3 Internal Malfunction (Determinable)
  • Hybrid/EV Battery Monitoring IC 4 Internal Malfunction (Determinable)
  • Hybrid/EV Battery Monitoring IC Internal Malfunction (Unidentifiable)
  • Hybrid/EV Battery Monitoring IC 1 Power Supply Malfunction
  • Hybrid/EV Battery Monitoring IC 2 Power Supply Malfunction
  • Hybrid/EV Battery Monitoring IC 3 Power Supply Malfunction
  • Hybrid/EV Battery Monitoring IC 4 Power Supply Malfunction
  • Hybrid/EV Battery Monitoring IC 1 Cell Voltage Detection Malfunction
  • Hybrid/EV Battery Monitoring IC 2 Cell Voltage Detection Malfunction
  • Hybrid/EV Battery Monitoring IC 3 Cell Voltage Detection Malfunction
  • Hybrid/EV Battery Monitoring IC 4 Cell Voltage Detection Malfunction
  • Short Wave Highest Value