DTC U0100-530: Lost Communication with ECM / PCM "A"; DTC U0126-735: Lost Communication with Steering Angle Sensor Module; 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 [10/2014 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Check for DTCs of all systems by following the prompts on the Techstream screen.
4. Check for DTCs.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Proceed to
   Hybrid vehicle control ECU outputs P2532-772
   Hybrid vehicle control ECU does not output P2532-772

5. Turn the power switch off.

Result: 

Hybrid vehicle control ECU outputs P2532-772 

GO TO DTC CHART (P2532-772). Refer to  DTC P2532-772: Ignition Switch Run Position Circuit High [10/2014 - ] 

Result: 

Hybrid vehicle control ECU does not output P2532-772 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - ]