SOURCE: Holden rodeo 99 3.2v6 4l30e code 82 and going into limp mode
the tcm may be faulty or has a loose ground, try swaping in another if you can get one borrowed or a cheap used one from a salvage unit
SOURCE: 97 caravan check engine light, transmission will not up shift from 1st.
The only reasonable part is the labor charge. I couldn't second-guess the shop's recommendation, maybe both parts are needed, but you could have them replace the shift solenoid, and try driving it for awhile, see what happens. Then if you need the TCM, try a used one from a salvager for less than half the cost of new. That is something you could install yourself.
Whatever you decide, good luck.
SOURCE: Shift problems with 4l80E.
try changing the fluid and filter in trans
work F to R with foot on brake several times with a little gas after new juice in trans to loosten things up again
they gum up from sitting too much over winters and stuff
SOURCE: Just had a rebuilt transmission installed in 2000 chevy 1500, 4 wheel drive, 5.3 eng., 4L60 ******.
I think the people that rebuilt it, will have to pull it back out
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