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Home >> Lexus >> 2021 >> ES 300h Luxury >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (For Nickel Metal Hydride Battery) - Diagnostic Codes (5 Of 5) & Circuit Tests (1 Of 2) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [06/2018 - ] >> Description

DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [06/2018 - ]: Description

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 Light:
Comes on
RELATED DATA LIST

DTC No. Data List
P3000-4B
  • Hybrid Battery Temperature 1 to 3
  • Hybrid Battery Cooling Fan Intake Air Temperature 1
  • Ambient Temperature
  • Hybrid Battery Current
  • Hybrid Battery SOC
  • Hybrid Battery Cooling Fan 1 Drive Status
  • Hybrid Battery Cooling Fan
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