DTC P0A1C-710: Drive Motor "B" Control Module; DTC P0A1C-797: Drive Motor "B" Control Module; DTC P1C2C-706: Drive Motor "B" A/D Converter Circuit; DTC P1CA8-708: Drive Motor "B" Control Module Malfunction [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
The MG ECU, which is built into the inverter with converter assembly, monitors its internal operation and will store DTCs if it detects a malfunction. If any of the following DTCs are output, replace the inverter with converter assembly.
HINT:
The term "drive motor B" indicates the rear motor (MGR).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A1C-710 | Drive Motor "B" Control Module | MG ECU internal malfunction: Calculation check error (1 trip detection logic) |
Inverter with converter assembly | Comes on | Master Warning Light: Comes on |
| P0A1C-797 | Drive Motor "B" Control Module | MG ECU internal malfunction: R/D converter communication error (1 trip detection logic) |
Inverter with converter assembly | Comes on | Master Warning Light: Comes on |
| P1C2C-706 | Drive Motor "B" A/D Converter Circuit | MG ECU internal malfunction: CPU ROM-RAM error (1 trip detection logic) |
Inverter with converter assembly | Comes on | Master Warning Light: Comes on |
| P1CA8-708 | Drive Motor "B" Control Module Malfunction | MG ECU internal malfunction: CPU ROM-RAM error (1 trip detection logic) |
Inverter with converter assembly | Comes on | Master Warning Light: Comes on |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0A1C-797 | Rear Motor Revolution |
| P0A1C-710 P1C2C-706 P1CA8-708 |
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