DTC U0100-211: Lost Communication with ECM / PCM "A"; DTC U0100-212: Lost Communication with ECM / PCM "A"; DTC U0100-530: Lost Communication with ECM / PCM "A"; DTC U0129-220: Lost Communication with Brake System Control Module; DTC U0129-222: Lost Communication with Brake System Control Module; DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0131-433: Lost Communication with Power Steering Control Module; DTC U0131-434: Lost Communication with Power Steering Control Module; DTC U0140-146: Lost Communication with Body Control Module; DTC U0151-763: Lost Communication with Airbag ECU; DTC U0164-594: Lost Communication with A/C ECU; DTC U0164-827: Lost Communication with A/C ECU: Procedure

CHECK DTC OUTPUT (ALL)

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 if DTCs are output.

Result

Result	Proceed to
Hybrid vehicle control ECU outputs P2532-772 (logical contradiction, No. 2 IG signal)	A
Hybrid vehicle control ECU does not output P2532-772 (logical contradiction, No. 2 IG signal)	B

B → See step 2

A → See step 3

GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
GO TO DTC CHART. Refer to DTC P2532-772: Ignition Switch Run Position Circuit High