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Home >> Jeep >> 2013 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Powertrain Control Module (Pcm) - DTCS P0870 To P1449 - 65RFE Automatic Transmission) >> Diagnosis And Testing >> P1794-Speed Sensor Ground Error >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
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. Refer to  65RFE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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