Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Shift Indicator: Description and Operation
PRNDL DISPLAY
The IPC displays the selected gear position as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the gear position.
The PRNDL display blanks if:
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The IPC receives a class 2 message indicating the park position and the column park switch indicates a position other than park, open input.
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The IPC detects a loss of class 2 communications with the PCM.
