FMI 2021 CAT Fault Code

Boom Head End to Tank Spool Not Responding to Command

Cause :

If, as a result of the diagnosis, it was possible to read this code, then this combination means damage to the catalyst. It is necessary to check the device for mechanical defects.Engine started, engine running, and the PCM detected a high voltage present at the PCM for 3 minutes after the engine started. The Starter Relay Control Circuit High Voltage test monitors the voltage signal that is sent from the ignition switch.

FMI-74
FMI-199
FMI-617
FMI-2028
FMI-792
FMI-18
FMI-408
FMI-520
FMI-899
FMI-353

Don't forget ! When a fault code pops up, CAT's Uptime Center is automatically notified via an cellular link, and it alerts the truck's owner by prearranged methods, usually email or phone calls.

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