Engine Oil Viscosity Upgrade And Flash Enhancements

Bulletin number

18-087-16 REV. A

Component

Power train: automatic transmission: control module (TCM/PCM/tecm)

Summary

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.

Owners of these vehicles have filed 282 complaints in the transmission category.