i-350 L5-3.5L (2006)
Shift Indicator: Description and Operation
PRND321 DISPLAY
The instrument panel cluster (IPC) displays the selected gear position as determined by the powertrain control module (PCM). The IPC receives a class 2
message from the PCM indicating the gear position. The PRND321 display blanks if:
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The PCM detects a malfunction in the transmission range switch circuit.
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The IPC detects a loss of class 2 communications with the PCM.
