DTC P1BFB-9E: Battery Discharge Control Circuit Stuck On [11/2023 - ]: Description
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The motor generator ECU located in the inverter with converter assembly receives power from the IGCT power source line and discharge control power source line. A semiconductor switch is installed in the motor generator ECU to switch which is used to switch the discharge control power source line power source on and off.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | Note |
|---|---|---|---|---|---|---|
| P1BFB-9E | Battery Discharge Control Circuit Stuck On | When the motor generator ECU is started, the discharge control BAT switch command flag is OFF for a certain period of time, but the discharge control BAT voltage is at or above the threshold at that time. (1 trip detection logic) |
Inverter with converter assembly | Does not Come on | Master Warning: Comes on |
SAE Code: P1BFB |