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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Hybrid Battery System (For Lithium-Ion Battery) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY) >> DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [08/2020 - ] >> Description

DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [08/2020 - ]: Description

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The battery ECU assembly monitors the temperature of the HV battery to detect if it becomes excessively high.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P3000-4B Hybrid/EV Battery Control System Over Temperature The battery ECU assembly detects a HV battery cooling system error signal.
(1 trip detection logic)
  • Hybrid vehicle control ECU
  • No. 1 HV supply stack sub-assembly
  • No. 2 HV supply stack sub-assembly
 Does not come on Master Warning Light:
Comes on

HINT: 

The normal HV battery temperature is 60°C (140°F) or less.

RELATED DATA LIST

DTC No. Data List
P3000-4B
  • Hybrid/EV Battery Temperature 1 to 6
  • Hybrid/EV Battery Cooling Fan Intake Air Temperature 1
  • Ambient Temperature
  • WOUT Control Limit Power
  • WIN Control Limit Power
  • Hybrid/EV Battery SOC
  • Hybrid/EV Battery Cooling Fan 1 Frequency
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