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Home >> Dodge and Ram >> 2009 >> Journey R/T, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 40TES - GPEC)) >> DTC Troubleshooting >> P0734-Gear Ratio Error In 4TH >> Possible Causes
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Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes 
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
LOW LINE PRESSURE
FAILED OD OR 2/4 CLUTCH
CUT OR TORN OD OR 2/4 CLUTCH PISTON SEAL
CUT OD OR 2/4 ACCUMULATOR PISTON SEAL
STUCK MAIN REGULATOR VALVE
SOLENOID MODULE
BROKEN INPUT SHAFT
FAILED OD SHAFT
FAILED 2/4 CLUTCH HUB
FAILED PLANETARY GEARSET

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