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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Transmission Control Module (TCM) - DTCS P1B14-00 To U1477-00) >> DTC Troubleshooting >> P1D90-00-Incorrect Gear Ratio - Clutch 2 Defective >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
INCORRECT TRANSMISSION FLUID LEVEL
TRANSMISSION - INTERNAL COMPONENTS

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .

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