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Home >> Dodge and Ram >> 2012 >> Caliber SXT Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0721-Output Speed Sensor Circuit Performance >> Possible Causes
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Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes 
ENGINE CAM OR CRANK DTCS PRESENT
DIRTY OR DAMAGED OUTPUT SPEED SENSOR
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT HIGH RESISTANCE
(T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT HIGH RESISTANCE
(T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
(T130) OUTPUT SPEED SENSOR GROUND CIRCUIT HIGH RESISTANCE
(T130) OUTPUT SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
OUTPUT SPEED SENSOR
TORQUE CONVERTER CLUTCH
TRANSMISSION CONTROL MODULE

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