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PINPOINT TEST E : The Tachometer Is Inoperative: Notes

Diagnostic Overview 

Refer to Instrument Panel Cluster (IPC) , Tachometer.

NOTE: If DTC U0100:00 sets in the IPC, other observable symptoms can be an inoperative speedometer, temperature gauge or odometer.

Normal Operation and Fault Conditions 

If the IPC does not receive the engine Revolutions Per Minute (RPM) data from the PCM for more than 5 seconds, the IPC sets DTC U0100:00 in continuous memory and defaults the tachometer to 0 Revolutions Per Minute (RPM).