06 - SQR484F ENGINE MANAGEMENT SYSTEM
DTC Code
Lost Communication
U0101-87
With TCM (CVT only)
DTC Confirmation Procedure
Confirm that battery voltage is over 12 V before performing the following procedures.
Turn ignition switch to LOCK.
Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
Turn ignition switch to ON.
Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
06
Select Read Code.
If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
If DTC is not detected, the malfunction indicated by the DTC is intermittent
CAUTION
When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and
component information.
Diagnosis Procedure
1
Check ECM ground point
a. Turn ignition switch to LOCK.
b. Check ECM grounds E-026 and E-028
Repair or replace ground wire harness or
NG
ground point
2
Check ECM connector and TCM connector
a. Disconnect ECM connector E-033.
b. Disconnect TCU connector E-030.
c. Check if connectors are normal.
Repair or replace connector
NG
170
06–
DTC Detection
DTC Definition
Ignition switch ON
Engine running
(See page
Condition
CAN line or connector
ECM
TCM
06-18).
Chery Automobile Co., Ltd.
Possible Cause
(See page
06-18).
OK
OK