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 - ]: Procedure
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.
- CHECK DTC OUTPUT
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Check for DTCs of all systems by following the prompts on the Techstream screen.
- Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
Result
Result Proceed to Hybrid vehicle control ECU assembly outputs P2532-772 A Hybrid vehicle control ECU assembly does not output P2532-772 B - Turn the power switch off.
Result: 1
A
GO TO DTC CHART (P2532-772). Refer to DTC P2532-772: Ignition Switch Run Position Circuit High [11/2016 - ]
Result: 2
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ]