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Home >> Ford >> 2013 >> C-Max Energi >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center & Warning Chimes >> Diagnosis and Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> A Virtual Gauge Is Inoperative >> Tachometer

A Virtual Gauge Is Inoperative: Tachometer

If the engine RPM data message is missing for less than 5 seconds, the IPC  defaults the tachometer to the last indication state, based upon the last message received.

If the engine RPM data message is missing for 5 seconds or longer, the IPC  defaults the tachometer to 0 RPM.