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Home >> Jeep >> 2010 >> Liberty Renegade, Part Time >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission >> DTC Troubleshooting >> P0731-Gear Ratio Error In 1ST >> Possible Causes

Possible Causes

Possible Causes 
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
INTERMITTENT GEAR RATIO ERRORS
INTERNAL TRANSMISSION

Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  . 

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