Toyota Venza: Lost Communication with ECM / PCM "A" (U0100)

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Start Function) / Lost Communication with ECM / PCM "A" (U0100)

DESCRIPTION

The power management control ECU receives shift position information from 2 sources. It receives a shift position P signal from the shift lock control unit assembly via a direct line, and shift position information from the ECM via CAN. If the information from these 2 sources is inconsistent, this DTC will be stored.

DTC No.	DTC Detection Condition	Trouble Area
U0100	Shift position information from ECM (via CAN) and shift lock control unit assembly (direct line) is inconsistent	CAN communication system Power management control ECU ECM Wire harness or connector

WIRING DIAGRAM

Refer to CAN communication system (See page ).

CAUTION / NOTICE / HINT

NOTICE:

When the power management control ECU is replaced with a new one and the cable from the negative (-) battery terminal is connected, the power source mode becomes the on (IG) mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.

PROCEDURE

1.	REFER TO CAN COMMUNICATION SYSTEM

See page

END

Detecting Vehicle Submersion (B2277)

DESCRIPTION This DTC is stored when the submersion circuit monitor inside the power management control ECU detects a large amount of water. DTC No. DTC Detection Condition ...

Runnable Signal Malfunction (B2286,P0335)

DESCRIPTION The power management control ECU receives an engine speed signal and information that indicates whether the engine is running or not. It receives the engine speed signal from the ECM ...

Other materials about Toyota Venza:

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Communication Method Center airbag sensor assembly Combination meter assembly Front seat inner belt buckl ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Perform troubleshooting in accordance with the following flowchart. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Disposal
DISPOSAL CAUTION / NOTICE / HINT CAUTION: Before performing pre-disposal deployment of any SRS component, review and closely follow all applicable environmental and hazardous material regulations. Pre-disposal deployment may be considered hazardous mate ...