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Home >> Dodge and Ram >> 2009 >> Sprinter 2500, Van Cargo >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0717-Input Speed Sensor 1 Circuit No Signal >> Possible Causes
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Possible Causes

Possible Causes 
SENSOR SUPPLY VOLTAGE CIRCUIT OPEN
INPUT SPEED SENSOR 1 (N2) SIGNAL CIRCUIT OPEN
SPEED SENSOR 1 (N2) SIGNAL CIRCUIT SHORT TO ANOTHER CIRCUIT
SENSOR GROUND CIRCUIT OPEN
SENSOR GROUND CIRCUIT SHORT TO ANOTHER CIRCUIT
SPEED SENSOR 1 (N2) SIGNAL CIRCUIT SHORT TO GROUND
SENSOR GROUND CIRCUIT SHORT TO GROUND
SPEED SENSOR 1 (N2)
TRANSMISSION CONTROL MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure