Cummins ISX Fault Code SPN: 5394 FMI: 5
After you have successfully retrieved the fault codes from the truck and you get Fault Code SPN: 5394 FMI: 5, make sure you follow these steps to troubleshoot properly. Check Battery connections: make sure they are securely connected. Check wires from and to DEF Doser: look for rips and make...
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