Join Date: Jun 2015
Location: Hamilton, Ontario, Canada
No overdrive, works after codes cleared P0894
Hello guys, wondering if anybody has an idea for a solution to my problem. I've seen threads that talked about no overdrive in which the second gear is also affected, but not something similar to my issue (sorry if I just didn't search well enough!)
Twice in the last week I've lost 4th gear. No check engine light is on, however when I read extra/pending codes, I get a p0894, transmission component slipping. If I clear the code, OD works again no problem. In either state, 1,2,3 shift normally, firmly, just fine.
I recently had my transmission rebuilt, and for the second time. Both times the 1-3 band was toast. There's a new torque converter now, new internals, additional trans cooler, the fluid is clear and unburnt.
My guess is that it is something electrical, I don't see why it would work just fine after a code clear, some sensor or connection is telling it not to use 4th IMHO.
In addition, and I don't think it's likely to be related, my transfer case grinds loudly when I shift on the fly into 4 high.
I also have a slight shudder. I just did ball joints, hubs, and alignment, and it's better; don't know if the shudder is still there or if it's still in my head.
tl;dr 1,2,3 shift perfectly fine, O/D doesn't work, but works just fine for a while after a P0894 code is cleared. Throws code again, stops working again, works fine after clear.
Anyone have a similar issue or an idea of where to start looking to solve it?