Date: April 12, 2006
Models: 2005-2006 (KJ) Jeep Liberty diesel
NOTE: This bulletin applies to vehicles equipped with a 2.8L turbo-diesel engine and a 545RFE automatic transmission (sales codes ENR and DGQ respectively) and built prior to November 03, 2005.
Subject: Torque Converter: Intermittent Lock-Up, DTC P0740 - Out Of Range, And Rattle-Like Sound
Symptom/Condition: The customer may experience all of the following conditions:
- A Malfunction Indicator Lamp (MIL) illumination due to Diagnostic Trouble Code (DTC) P0740 - Torque Converter Out Of Range.
- A rattle-like sound from the torque converter / bellhousing area of the transmission. This sound may be heard when the transmission is in neutral or park and the engine speed is raised above an idle.
- Intermittent torque converter lock and unlock when in lock-up mode. The customer may feel that the transmission is shifting more frequently than expected. A scan tool may be required to verify desired mode (lock-up) and actual mode (unlock) of the torque converter.
Complete PDF file:
TSB 21-009-06