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SPN #3695 FMI#9 can anyone tell me what this code is?

Caleb00
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  • 5 weeks later...
Caleb00 Rookie

Caleb00

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Yep that would be correct, it is an DPF switch abnormal update rate. I had the exact same problem on one our trucks, finally figured our that behind the fuse panel for fuse #18 one of the wire connectors had become loose. I pulled the wire out spread the tang on the connector and reconnected and haven't had any problems since.

  • 4 years later...

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