DTC U0100-530: Lost Communication with ECM / PCM "A"; DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Communication Error from Body ECU to HV ECU; DTC U0151-763: Communication Error from Airbag ECU to HV ECU; DTC U0164-827: Communication Error from A/C ECU to HV ECU; DTC U1107-436: Lost Communication with Power Management Module [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 hybrid vehicle control ECU assembly transmits and receives signals via CAN communication to and from the ECM, skid control ECU assembly, power steering ECU assembly, main body ECU, airbag sensor assembly, and air conditioning amplifier assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| U0100-530 | Lost Communication with ECM / PCM "A" | A CAN communication error between the ECM and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Comes on | Master Warning Light: Comes on |
| U0129-527 | Lost Communication with Brake System Control Module | A CAN communication error (V BUS) between the skid control ECU assembly and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning Light: Comes on |
| U0129-528 | Lost Communication with Brake System Control Module | A CAN communication error between the skid control ECU assembly and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning Light: Comes on |
| U0140-146 | Communication Error from Body ECU to HV ECU | A CAN communication error between the main body ECU and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning Light: Comes on |
| U0151-763 | Communication Error from Airbag ECU to HV ECU | A CAN communication error between the airbag sensor assembly and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning Light: Comes on |
| U0164-827 | Communication Error from A/C ECU to HV ECU | A CAN communication error between the air conditioning amplifier assembly and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning Light: Does not come on |
| U1107-436 | Lost Communication with Power Management Module | A CAN communication error between the power source ECU and hybrid vehicle control ECU assembly (CAN communication system malfunction) occurs (1 trip detection logic) |
CAN communication system | Does not come on | Master Warning Light: Comes on |