Missing Engine RPM Input

MISSING ENGINE RPM INPUT

When Monitored and Set Condition:
MISSING ENGINE RPM INPUT

When Monitored: Continuously with ignition on.

Set Condition: This condition occurs when the Transfer Case Control Module stops receiving a bus message for Engine RPM for the period of 5 seconds.

POSSIBLE CAUSES:
OTHER DTC'S PRESENT
CONDITION PRESENT
INTERMITTENT WIRING AND CONNECTORS