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Home >> Jeep >> 2009 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0652 To P1696 - NGC >> P0721-Output Speed Sensor Circuit Performance >> Possible Causes

Possible Causes

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

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