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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery System (PHEV) - Diagnostic Codes (4 Of 4) & Circuit Tests >> HYBRID BATTERY SYSTEM (for PHEV Model) >> DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [03/2023 - ] >> Description

DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [03/2023 - ]: Description

The battery ECU assembly alerts the driver and performs fail-safe control based on malfunction signals. If the SOC drops due to running out of fuel, the vehicle being left with neutral (N) selected for a long time or a hybrid control system malfunction, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P3000-00 Hybrid/EV Battery Discharge Control Malfunction Discharging of the HV battery continues even after discharging is prohibited when the "SOC" has reached the lower limit.
(1 trip detection logic)
  • SFI system
  • Fuel level
  • HV battery state of charge
Does not come on Master Warning:
Does not come on
HV Battery A SAE Code:
P3000