Here is the TSB I copy pasted from another forum:
#05-06-01-006: Engine Vibration/Noise at Idle, Vibration Felt in Steering Wheel/Seat (Reprogram PCM) - (Feb 9, 2005)
Subject:
Engine Vibration/Noise at Idle, Vibration Felt in Steering Wheel/Seat (Reprogram PCM)
Models:
2003-2005...