Toyota Venza: Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)

Toyota Venza Service Manual / Lighting (ext) / Lighting System / Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)

DESCRIPTION

The DTCs are stored when the CAN communication system is malfunctioning.

DTC No.	DTC Detection Condition	Trouble Area
U0101	Lost communication with ECM	CAN communication system
U0073	Control module communication bus off	CAN communication system
U0126	Lost communication with steering angle sensor	CAN communication system
U0129	Lost communication with skid control ECU	CAN communication system
U0142	Lost communication with main body ECU (driver side junction block assembly)	CAN communication system
U0182	Lost communication with AFS ECU (headlight swivel ECU assembly)	CAN communication system
U1000	Can communication failure (message registry)	CAN communication system

PROCEDURE

1.	CHECK FOR DTC

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

OK:

DTCs are not output.

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

Light Sensor Circuit Malfunction (B1244)

DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal, and outputs it to the main body ECU (driver side junction block assembly). The main bo ...

Automatic High Beam Mirror (B124A)

DESCRIPTION The DTC is stored when the main body ECU (driver side junction block assembly) detects malfunctions in the inner rear view mirror assembly. DTC No. DTC Detection ...

Other materials about Toyota Venza:

Adjustment
ADJUSTMENT PROCEDURE 1. INSPECT SHIFT LEVER POSITION (a) When moving the lever from P to R with the ignition switch ON and the brake pedal depressed, make sure that the shift lever moves smoothly and moves correctly into position. (b) Start the engine ...

Inspection
INSPECTION PROCEDURE 1. INSPECT PAD LINING THICKNESS (a) Using a ruler, measure the pad lining thickness. Text in Illustration *1 Ruler Standard thickness of a new pad: 12.0 mm (0.472 ...

Removal
REMOVAL PROCEDURE 1. REMOVE COOL AIR INTAKE DUCT SEAL 2. REMOVE INLET NO. 2 AIR CLEANER 3. REMOVE AIR CLEANER CAP WITH HOSE 4. REMOVE AIR CLEANER CASE 5. REMOVE AIR CLEANER BRACKET (a) Separate the wire harness clamp. ...