Fault Codes/Cummins/45Cummins45UnclassifiedGeneralWhat This Code MeansGenset shutdown; No magnetic pickup pulses sensed for Loss of Speed delayPossible Causes•No magnetic pickup pulses sensed•Speed Signal Lost (Loss of Speed Sense)Related Cummins Fault Codes466138743175247615771481Browse all Cummins fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 45 on your specific Cummins unit — cited to the OEM manual, not a forum guess.Your question about 45GET THE ANSWERFree account required — we'll bring your question with you.