The TCU check ROM I.D all the time,in order to maintain for best condition and surrounding.
The TCU set this code When the ROM I.D is changed by ecternal force or input non-available data.
Item | Detecting Condition | Possible Cause |
DTC Strategy | ● Check sum fault | ● Faulty TCM |
Enable Conditions | ● IG "on" | |
Threshold Value | ● CAN message transfer error. | |
Diagnostic Time | ● More than 1sec | |
Fail Safe | ● Locked in 3 rd gear. |
