LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 40TE Automatic Transmission)) >> DTC Troubleshooting >> P0734-Gear Ratio Error In 4TH >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
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. Refer to  40/41TE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   .