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Home >> Jeep >> 2010 >> Wrangler Islander, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics - 42RLE Automatic Transmission) >> DTC Troubleshooting >> DTC P1794: Speed Sensor Ground Error >> Possible Causes

Possible Causes

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

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

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