Two problems related to transmission solenoid have been reported for the 2006 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Ford Mustang based on all problems reported for the 2006 Mustang.
I started to notice that once I hit a steady 30-35 mph (on the streets) it hesitates to accelerate. Then it jerks and im running normal again. Took it to the transmission mechanic. He said my trans fluids are fine, however, my pan is "burnt". I do fine on the freeway. Its mostly when im driving through the streets and stop and go at lights. He ran some codes and the results were the "gear 5 incorrect ratio and the solenoid" ---something(sorry). He said to overhaul a trans I would be looking at $1800+.
My car started jerking when I put in reverse and drive. While drive I hear a rattling noise underneath the gear shift. I took the car to the dealer and they stated the transmission had a loose solenoid box and that it needed tightening for $900. Also at lower speeds I feel the car slipping especially on turns.