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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (2GR-FXE) - Diagnostic Codes (3 Of 7) >> Hybrid Control System >> DTC P3000-388: Battery Control System [02/2014 - 11/2016] >> Description

DTC P3000-388: Battery Control System [02/2014 - 11/2016]: Description

The power management control ECU alerts the driver and performs fail-safe control based on error signals received from the battery voltage sensor. This DTC is stored 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. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P3000-388 Battery Control System Discharging prohibited
Discharging of the HV battery continues even after discharging is prohibited when the hybrid system is malfunctioning and "State of Charge (All Bat)" has reached the lower limit.
(1 trip detection logic)
  • SFI system
  • Fuel level
  • HV battery
Does not come on Master Warning Light:
Does not come on
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