Tuesday, September 28, 2010

How to Know The Cause of Code U0101

How to Know the Cause of Code U0101 Of Hyundai

This Trouble Shooting Code may Help You much to easily distinguish the real problem.

Model: Hyundai Elantra (HD)

Year Model:2010

Fuel: Gasoline

Displacement: 1600cc 

 

U0101 ECM-TCM CAN Error

 

Study Guide and Component Location

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Study Guide and DTC Description

If there is no message from TCU to ECM through external CAN line over 500 ms, PCU sets DTC U0101.

Auto Repair and DTC Detecting Condition

Item

Study Guide and Detecting Condition

Study Guide and Possible Cause

DTC Strategy

● CAN communication status check

● Poor connection
● PCM

Enable Conditions

● TCU is not coming via internal CAN

Threshold Value

● No message time from TCU via external CAN 500ms

Diagnostic Time

● Continuous

MIL ON Condition

● 5 sec

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