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 [07/2015 - ]: 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.

   Result

   Result	Proceed to
   Hybrid vehicle control ECU assembly outputs P2532-772	A
   Hybrid vehicle control ECU assembly does not output P2532-772 (w/ Central Gateway ECU)	B
   Hybrid vehicle control ECU assembly does not output P2532-772 (w/o Central Gateway ECU)	C

5. Turn the power switch off.

Result:  A

A 

GO TO DTC CHART (P2532-772) 

Refer to DTC P2532-772: Ignition Switch Run Position Circuit High [07/2015 - ]

Result:  B

B 

GO TO CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU) 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

Result:  C

C 

GO TO CAN COMMUNICATION SYSTEM (w/o Central Gateway ECU) 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]