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Home >> Toyota >> 2015 >> Prius C One >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes (P2511-149 - U0424-537) & Circuit Tests) >> Hybrid Control System >> DTC P3000-388: Battery Control System [12/2014 - ] >> Description

DTC P3000-388: Battery Control System [12/2014 - ]: Description

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

DTC No. INF Code DTC Detection Condition Trouble Area
P3000 388 Discharging prohibited
Due to a problem such as an HV system malfunction, discharging of the HV battery continues even after discharging was prohibited when the SOC reached the low limit.
(1 trip detection logic)
  • Fuel level
  • HV battery
RELATED DATA LIST

DTC No. Data List
P3000-388
  • State of Charge (All Bat)
  • Discharge Control Value
  • Power Resource IB
  • DC Inhibit Time

The following items can be helpful when performing repairs:

Data List 

Operation History Data