2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) U CODE Page 240

OK -- Continue to next step.

5. REPLACE DRIVING SUPPORT ECU

(a) Replace the driving support ECU See: Cruise Control/Cruise Control Module/Service and Repair/Removal.

NEXT -- Continue to next step.

6. CHECK DTC OUTPUT

(a) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and

Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.

(b) Turn the cruise control main switch on.

(c) Drive the vehicle at the required speed (45 km/h (27 mph) or higher).

(d) Check if the same DTC is output See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing

and Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.

Result:

B -- REPLACE MILLIMETER WAVE RADAR SENSOR See: Accessories and Optional Equipment/Collision Avoidance and

Parking Assist Systems/Distance Sensor/Service and Repair/Removal

A -- END

Up to 08/2009

LIGHTING (EXT): LIGHTING SYSTEM: U0101,U0073,U0100,U0126,U0129,U0130,U0142,U0163,U0182,U1000,U1121: Lost

Communication with ECM

U1121 - Lost Communication with Driver Seat Module

DESCRIPTION

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

INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.

(b) Check for DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.