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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 62 (Hybrid Control System (AWD) - Diagnostic Codes (6 Of 6) & Circuit Tests (1 Of 2)) >> HYBRID CONTROL SYSTEM (for AWD) >> DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [12/2019 - 11/2023] >> Description

DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [12/2019 - 11/2023]: Description

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

The hybrid vehicle control ECU monitors its internal operation and detects the following malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P3000-4B Hybrid/EV Battery Control System Over Temperature The HV battery temperature becomes too high due to a malfunction in the HV system.
(1 trip detection logic)
  • Battery voltage sensor
  • Hybrid vehicle control ECU
  • HV battery
Does not come on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P3000-4B
  • Hybrid Battery Temperature 1 to 6
  • Hybrid Battery Cooling Fan Intake Air Temperature 1
  • Ambient Temperature
  • Hybrid Battery Current
  • Hybrid Battery SOC
  • Hybrid Battery Cooling Fan 1 Drive Status
  • Hybrid/EV Battery Cooling Fan 2 Drive Status
  • Hybrid Battery Cooling Fan