gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Transmission Speed Sensor, A/T > < Park/Neutral Position Switch, C1|Page 1429
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Transmission Position Switch/Sensor: Description and Operation

PRNDL DISPLAY

The IPC displays the selected gear position as determined by the PRNDL Circuit Board. The PRNDL Circuit Board receives a combination of 2-4
grounded inputs from the Park/Neutral Position Switch indicating the gear position.

Transmission Speed Sensor, A/T > < Park/Neutral Position Switch, C1|Page 1429