FMI 129 CAT Fault Code

Engine Oil Filter Differential Pressure High Warning

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.It starts at the battery, includes ignition switch, fuses, starter solenoid, starter relay, and multiple safety devices, such as clutch position sensor and the neutral safety switches.

FMI-385
FMI-1137
FMI-546
FMI-59
FMI-791
FMI-2121
FMI-355
FMI-466
FMI-157
FMI-140

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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