1. CHECK DTC
(a) Clear the DTC See: Steering and Suspension/Suspension/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
(b) Perform a road test.
(c) Check for DTC See: Steering and Suspension/Suspension/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
Result:
HINT
If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN
communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.
B -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
A -- GO TO CAN COMMUNICATION SYSTEM See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With
Troubleshooting
Up to 08/2009
PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: U0073,U0100,U0126,U0129,U0140: Control Module
Communication Bus Off
U0140 - Lost Communication with Main Body ECU
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU.
HINT
If CAN communication system DTCs are stored, they may also be stored in other systems.
INSPECTION PROCEDURE
PROCEDURE
1. 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/Parking Assist Monitor System.
(b) Check for DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Parking Assist Monitor System.
Result:
HINT
* If CAN communication system DTCs are stored, they may also be stored in other systems.
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