Engine Controls - Vibration Between 48 - 121 KMH

L-TCI-31 23

April 18, 2012

VIBRATION BETWEEN 48-121 KM/H (30-75 MPH)

Service Category
Drivetrain

Section
Automatic Transmission/Transaxle

Market
Canada

APPLICABILITY:

INTRODUCTION:

Some 2009 - 2012 model year LS 460 vehicles equipped with 4WD may exhibit a vibration or shudder feeling between 48-121 km/h (30 - 75 mph). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been revised to address this condition Follow the procedure in this bulletin to determine if recalibration of the ECM (PCM) is required

PARTS INFORMATION:

WARRANTY INFORMATION:

CALIBRATION INFORMATION:

REQUIRED TOOLS & EQUIPMENT: