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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Hybrid Control System - Diagnostic Codes (4 Of 5)) >> Hybrid Control System >> DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [11/2023 - ] >> Description

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

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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
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