FMI 522 CAT Fault Code

Cause :

The control unit indicates problems in the operation of the throttle. For an unknown reason, the control module was not able to provide training in the limit position of the node.The most common mistake when addressing this code is replacing the starter or PCM when the damage is in the wiring or other components. Thus, it's extremely important to conduct a thorough diagnosis before replacing anything to avoid unnecessary replacements of parts.