A quicklearn procedure for the 68RFW transmission resets the transmission shift adaptive tables to factory defaults and relearns clutch volumes (CVIs). This process typically takes about 10 seconds with a compatible scan tool, after the tool is connected and initialized. The engine should be running, and while the truck doesn’t need to be fully warmed up, the transmission sump temperature should be at least 80°F. No active fault codes should be present. Address any faults before initiating a quicklearn.
The quicklearn puts the Transmission Control Module (TCM) and Powertrain Control Module (PCM) into a temporary rapid learn mode, allowing CVIs to adjust faster than normal during driving. This procedure is necessary after replacing components like the TCM, PCM, valve body assembly, or clutch packs, as these changes can impact shift quality. It’s also recommended for addressing general shifting concerns when no fault codes or obvious mechanical issues are present. Occasionally, a CVI might learn an incorrect value, leading to erratic shifting.
While individual CVI values can be relearned through specific driving procedures, a quicklearn offers a faster and more comprehensive solution by resetting all CVIs simultaneously. It eliminates the need to pinpoint the specific CVI causing the problem. The quicklearn functions as a coarse adjustment, bringing all CVIs back to the correct range. Fine-tuning occurs automatically as the vehicle is driven. However, it is important to remember that a quicklearn is not a substitute for proper diagnosis and repair of underlying mechanical or electrical issues. It primarily addresses adaptive learning values within the transmission control system.
Ensuring a successful quicklearn requires using a scan tool capable of performing this function on the 68RFW transmission. Choosing the best scan tool involves considering factors like compatibility, functionality, and user-friendliness. Look for a scan tool specifically designed to work with Ford vehicles and the 68RFW transmission to guarantee proper communication and execution of the quicklearn procedure.
