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:

Torque Converter And Drive Plate
Inspection INSPECTION PROCEDURE 1. INSPECT TORQUE CONVERTER ASSEMBLY (a) Inspect the one-way clutch. (1) Press on the serrations of the stator with a finger and rotate it. Check that it rotates smoothly when turned clockwise and locks whe ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 AIR DUCT SUB-ASSEMBLY (a) Disengage the 4 claws and remove the No. 1 air duct sub-assembly. 2. REMOVE AIR FILTER COVER PLATE (a) Disengage the 2 cla ...

Front Lower Suspension Arm(when Using The Engine Support Bridge)
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the LH side and RH side. The following procedure is for the LH side. PROCEDURE 1. REMOVE FRONT FRAME ASSEMBLY for 1AR- ...