2001 Ford mustang gt
Jus bought a 01 mustang GT. Was a
manual it was changed to a
automatic.but now it won't shift past
2nd gear..WHAT DO I NEED TO
CHANGE THIS..Was told a new brain.
Oed or amt ????
Your transmission problem might be as simple as low or contaminated fluid, or even just a battery that's not putting out enough voltage to properly power the transmission controls. After you check these, you might have a defective shift solenoid. You didn't mention any warning lights, but if any are on, you might also have a bad speed sensor, or PCM..... This doesn't sound as dire as a trans replacement, but you should see a trans shop for service & repairs, if needed.