DTC U0001 Can Communication Malfunction: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSE

Item	Detecting Condition	Possible Cause
DTC Strategy	Check CAN message transfer status	Open or short in CAN line Poor connection or damaged harness Faulty ECM
Enable Conditions	Battery voltage > 10V Delay time > 0.5 sec.
Threshold Value	20 wrong messages received by ECM
Diagnostic Time	20 wrong messages received by ECM
MIL On Condition	2 Driving Cycles