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Home >> Jeep >> 2013 >> Wrangler Sport, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0731-Gear Ratio Error In 1ST >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
PINION FACTOR IS NOT PROPERLY PROGRAMMED
LOW TRANSMISSION FLUID
OTHER TRANSMISSION DTCS PRESENT
INTERNAL TRANSMISSION FAILURE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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