Engine Oil Viscosity Upgrade And Flash Enhancements
This bulletin involves reprogramming the Powertrain Control Module (PCM) and the
Transmission Control Module (TCM). It also involves changing the engine oil with new
5W40 engine oil and applying a sticker to the engine oil filler cap. An addendum card will
need to be added in the owner's manual.
The following powertrain system improvements/enhancements are included in this
software release:
· Fan calibration.
· Transmission calibration.
· Revised oil change algorithm.
