FX50 AWD V8-5.0L (VK50VE) (2009)
Control Module: All Technical Service Bulletins
A/T - Harsh 4-3 Downshifts At 30-20 MPH
Classification: AT09-009B
Reference: ITB09-032B
Date: September 28, 2009
7 SPEED A/T HARSH 4>3 DOWNSHIFT ON DECELERATION
This bulletin has been amended. The Claims Information has been updated. No other content has been changed. Discard all earlier versions of this
bulletin.
APPLIED VEHICLES:
2009 FX35 (S51) 2WD
2009 FX35/50 (S51) AWD
2009 G37 Sedan (V36) 2WD and AWD
2009 G37 Coupe (CV36) 2WD and AWD
2009 M35 (Y50) 2WD ONLY
APPLIED TRANSMISSION: 7 Speed A/T ONLY
IF YOU CONFIRM:
An Applied Vehicle has a harsh 4>3 downshift while coasting at 30>20 MPH, with closed throttle condition.
^ Engine braking may also be felt under the same driving conditions.
ACTIONS:
1. Refer to Step 2 in the Service Procedure to confirm this bulletin applies to the vehicle you are working on.
2. If this bulletin applies, reprogram the TCM.
CLAIMS INFORMATION
IMPORTANT:
The purpose of ACTIONS (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE
PROCEDURE as it contains information that is essential to successfully completing this repair.
SERVICE PROCEDURE
1. Connect CONSULT III (C-III) to the vehicle to begin the reprogramming procedure.