After taking the specified steps to correct the suspected problem, check that the warning light turns off.



Have the vehicle inspected immediately.
Follow the correction procedures. (smart key system)Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)
DESCRIPTION
These DTCs are stored when the clearance warning ECU assembly cannot receive
and recognize several signals via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
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Operation Check
OPERATION CHECK
1. CHECK BASIC FUNCTIONS
(a) When the back door is partially closed, check that the motor operates to
fully close (lock) the back door.
(b) Check that the back door can be opened.
(c) When the back door is partially closed and then the mo ...