red_z
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I've got a '23 6.7L Limited with the 68RFE transmission (3,500 miles). Its behaved strangely ever since I got it but I had hoped it might just be normal or would improve. Then I got a check engine light with a transmission fluid pressure code last week...
Dealer checked it out and said the issue seemed to be a known issue and that a software update and fluid top-off (it was 1/2 quart low) would solve the problem. Driving it for 2 days now, it hasn't thrown another code yet but is still behaving in a way that doesn't seem right to me. Can anyone else confirm if this is typical behavior for the 68RFE or if you think I have anything to worry about?
What its doing is from a "cold start" the transmission just doesn't feel like it wants to get going. In reverse as I back out of the garage & driveway it creeps along and doesn't feel like its engaging normally. It moves, but just feels like the fluid isn't grabbing the way that it should. Once I've backed out of the driveway and shift into drive, it often continues to roll back a bit in drive (going downhill) until drive seems to want to engage. After this "warmup" I can drive away and everything else feels fine. Once warmed up the shifting feels normal and I've even towed a large trailer several hundred miles without issue. Its just that initial getting going from a cold start.
My suspicion is that there's something weird with the transmission fluid not engaging in the torque convertor properly at start-up. Not sure what this could be, but it just feels like the converter is slipping or something until the fluid is warmed up. Mind you this is all in the summer in Texas in 100 degree heat, so its not exactly "cold"
.
Anyone have any thoughts?
Dave
Dealer checked it out and said the issue seemed to be a known issue and that a software update and fluid top-off (it was 1/2 quart low) would solve the problem. Driving it for 2 days now, it hasn't thrown another code yet but is still behaving in a way that doesn't seem right to me. Can anyone else confirm if this is typical behavior for the 68RFE or if you think I have anything to worry about?
What its doing is from a "cold start" the transmission just doesn't feel like it wants to get going. In reverse as I back out of the garage & driveway it creeps along and doesn't feel like its engaging normally. It moves, but just feels like the fluid isn't grabbing the way that it should. Once I've backed out of the driveway and shift into drive, it often continues to roll back a bit in drive (going downhill) until drive seems to want to engage. After this "warmup" I can drive away and everything else feels fine. Once warmed up the shifting feels normal and I've even towed a large trailer several hundred miles without issue. Its just that initial getting going from a cold start.
My suspicion is that there's something weird with the transmission fluid not engaging in the torque convertor properly at start-up. Not sure what this could be, but it just feels like the converter is slipping or something until the fluid is warmed up. Mind you this is all in the summer in Texas in 100 degree heat, so its not exactly "cold"
. Anyone have any thoughts?
Dave
