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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 107 (Hybrid Control System (2WD) - Diagnostic Codes (4 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P0B23-1C: Hybrid/EV Battery "A" Voltage Sensor Voltage Out of Range [12/2019 - 11/2023] >> Description

DTC P0B23-1C: Hybrid/EV Battery "A" Voltage Sensor Voltage Out of Range [12/2019 - 11/2023]: Description

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The battery voltage sensor sends HV battery voltage information to the hybrid vehicle control ECU via serial communication.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0B23-1C Hybrid/EV Battery "A" Voltage Sensor Voltage Out of Range Battery voltage sensor malfunction:
When not boosting, difference between "Hybrid Battery Voltage" and "VL-Voltage before Boosting" is large and difference between "Hybrid Battery Voltage" and "VH-Voltage after Boosting" is large.
(1 trip detection logic)
Battery voltage sensor Comes on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P0B23-1C
  • Hybrid Battery Voltage
  • VL-Voltage before Boosting
  • VH-Voltage after Boosting
  • Boost Ratio