Fault Codes:Caterpillar General FMI12
Fault Description:
Equipment or component error
Fault Cause:
FMI12 "Incorrect device or Component". FMI 12 occurs when an intelligent device (such as an ECU) determines that it has malfunctioned. Note: In the past, FMI 12 was also used to describe the following situation: An electronic control sends a signal to another electronic module through a data link. The electronic controller expects a response, but it does not receive any response or incorrect response. The electronic controller is expected to continuously receive information from another electronic module via the data link, but not all the expected information.
