LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Dodge and Ram >> 2012 >> C/V >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Powertrain Control Module (Pcm) - Electrical Diagnostics - 62TE Automatic Transmission >> DTC Troubleshooting >> P0721-Output Speed Sensor Circuit Performance >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes
(T14) OUTPUT SPEED SIGNAL CIRCUIT OPEN
(T13) SPEED SENSOR GROUND CIRCUIT OPEN
(T14) OUTPUT SPEED SIGNAL CIRCUIT SHORTED TO GROUND
(T14) OUTPUT SPEED SIGNAL CIRCUIT SHORTED TO VOLTAGE
(T13) SPEED SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE
OUTPUT SPEED SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE   .