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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Nag1 Automatic Transmission - Electrical Diagnostics) >> Nag1 - Electrical Diagnostics >> DTC Troubleshooting >> P0731-Gear Ratio Error In 1ST >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
PINION FACTOR IS NOT PROPERLY PROGRAMMED
LOW TRANSMISSION FLUID
OTHER TRANSMISSION DTCS PRESENT
INTERNAL TRANSMISSION FAILURE

Perform NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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