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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0AA1-231 Through U0424-537 >> DTC P3000-388 HV Battery Malfunction >> Description

DTC P3000-388 HV Battery Malfunction: Description

The HV control ECU alerts the driver and performs fail-safe control based on error signals received from the battery smart unit. This DTC is output when the SOC (state of charge) of the HV battery starts to drop as a result of leaving the shift lever in the N position, running out of fuel, or a malfunction in the HV control system.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P3000 388 Discharge inhibition control malfunction
  • HV control system
  • HV battery
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