LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Dodge and Ram >> 2011 >> Durango Express, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0717-Input Speed Sensor 1 Circuit No Signal >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(T72) SENSOR SUPPLY VOLTAGE CIRCUIT OPEN
(T70) INPUT SPEED SENSOR 1 (N2) SIGNAL CIRCUIT OPEN
(T70) SPEED SENSOR 1 (N2) SIGNAL CIRCUIT SHORT TO ANOTHER CIRCUIT
(T13) SENSOR GROUND CIRCUIT OPEN
(T13) SENSOR GROUND CIRCUIT SHORT TO ANOTHER CIRCUIT
(T70) SPEED SENSOR 1 (N2) SIGNAL CIRCUIT SHORT TO GROUND
(T13) SENSOR GROUND CIRCUIT SHORT TO GROUND
SPEED SENSOR 1 (N2)
TRANSMISSION CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure