U0001 is set when signal transmission through CAN communication line is impossible for more than 0.9 sec. because of open or short to ground in CAN communication line. Checking CAN communication BUS and signals from ECM, TCM module is required.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring |
•
CAN BUS
•
CAN communication module component | ||
Enable Conditions |
•
IG KEY "ON" | |||
Threshold Value |
•
CAN BUS error | |||
Diagnostic Time |
•
900ms | |||
Fail Safe | Fuel Cut | NO | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | NO | |||
