gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Tire Monitoring System > < Speedometer Head|Description and Operation
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Tachometer: Description and Operation

TACHOMETER

The IPC displays the engine speed based on the information from the PCM. The PCM converts the data from the engine speed sensor to a 2
pulses/engine revolution
 signal. The IPC receives a class 2 message from the PCM indicating the engine speed.

Tire Monitoring System > < Speedometer Head|Description and Operation