When the TCM cannot read the data from the ECM through the CAN-BUS line, the TCM sets this code. CAN-BUS circuit malfunctioning or ECM can be a posssible cause of this DTC.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check the signal | 1. Faulty in CAN Line 2. Faulty in TCM |
Enable Conditions |
•
Battery Voltage is above 10V
•
Time passed from IG-On is higher than 0.5sec | |
Threshold Value |
•
Receive a message "BUS OFF" from CAN MI-COM | |
Detecting Time |
•
More than 1 second | |
Fail Safe |
•
Inhibited learning control |
