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Message: [QUOTE="mandkole, post: 1225487, member: 4630"] Im not sure what Im looking at now... I got a service harness, tested the pack and found nothing out of spec. Dont know how to better describe than to say this is a vehicle speed vs. throttle position vs. load issue that the PCM is trying to manage within a specific window. Since the tire size increase its become more noticeable. (I may put the stock tire size back on) I can go WOT and the PCM holds the TCC locked the whole time and it stays locked. The situation that causes the PCM to turn the lock off/on is being locked then increasing speed/load up a hill and gradually increasing throttle position. On the interstate at 60-65 and accel to 75 with firm throttle, its fine. Its concerning that the manual lock switch no longer kills the motor in gear stopped with the brake on. Would seem that the TCC is slipping. I need get with some of the local guys and check TC lockup and slip on AE. [/QUOTE]

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