DTC P3124-1F: Lost Communication between Drive Motor "A" and HV ECU Circuit Intermittent; DTC P3124-87: Lost Communication between Drive Motor "A" and HV ECU Missing Message [12/2019 - 11/2023]: Description
WARNING: This page is about a different variant/trim than selected.
The motor generator control ECU, which is built into the inverter with converter assembly, controls the motor (MG2) based on commands from the hybrid vehicle control ECU.
The motor generator control ECU (MG ECU) monitors communication data and detects malfunctions.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P3124-1F | Lost Communication between Drive Motor "A" and HV ECU Circuit Intermittent | Error in reception from hybrid vehicle control ECU via serial communication (out of communication standard) detected when DTC P0C79-17, P0D33-19, P1C5D-19, P1C5F-19 or P1C5E-19 is stored. (1 trip detection logic) |
|
Does not come on | Master Warning: Does not come on |
| P3124-87 | Lost Communication between Drive Motor "A" and HV ECU Missing Message | Error in reception from hybrid vehicle control ECU via serial communication (out of communication standard) (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |