U0140

SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: U0100: Lost Communication with ECM / PCM "A"

DTC U0100 - Lost Communication with ECM / PCM "A"

DTC U0101 - Lost Communication with TCM

DTC U0114 - Lost Communication with 4WD Control ECU

DTC U0122 - Lost Communication with Vehicle Dynamics Control Module

DTC U0124 - Lost Communication with Lateral Acceleration Sensor Module

DTC U0126 - Lost Communication with Steering Angle Sensor Module

DTC U0130 - Lost Communication with VGRS

DTC U0140 - Lost Communication with Main Body ECU

DESCRIPTION

The suspension control ECU receives signals from the ECM, four wheel drive control ECU, skid control ECU, yaw rate sensor, steering sensor, steering control ECU and main body ECU via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.






INSPECTION PROCEDURE
NOTICE:
- Before performing troubleshooting, inspect the connectors of related circuits.
- If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed Testing and Inspection.

PROCEDURE

1. CLEAR DTC
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
2. CHECK DTC
(a) Perform a road test.
(b) Check for DTCs.
OK:
DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting
OK -- USE SIMULATION METHOD TO CHECK