DD15 SPN 247/FMI 9 Troubleshooting

SPN 247/FMI 9

MCM engine hours data not received or stopped arriving – This fault usually occurs after reprogramming the CPC or MCM. The internal clocks of the CPC or MCM do not match. After reprogramming either module, all fault codes must be cleared.‪

Note: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.

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