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Home >> Dodge and Ram >> 2013 >> Dart R/T, Automatic Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics - 6F24 Automatic Transmission) >> DTC Troubleshooting >> P077D-Output Speed Sensor Circuit High >> Possible Causes
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Possible Causes

Possible Causes
(T13) OUTPUT SPEED SIGNAL CIRCUIT SHORTED TO VOLTAGE
(T14) OUTPUT SPEED SENSOR POWER CIRCUIT SHORTED TO VOLTAGE
OUTPUT SPEED SENSOR
TRANSMISSION CONTROL MODULE (TCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  6F24 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   .