Skip the auto shop - Our mechanics make house calls

Q: I have a 2006 Cadillac STS that will only shift from park to reverse

asked by on

I have a 2006 Cadillac STS that has been parked since July. It was working fine when we parked it, now it will only shift from park to reverse and seems to get stuck. What could have caused this problem, being that it was shifting perfectly fine before it was parked and even shifted fine when it was driven to the carwash and to get gas

A: Hello. A transmission that will not shift ...

Hello. A transmission that will not shift into gear can be caused by a few different things. A few common causes are a locked shifter, low or contaminated transmission fluid, or a failed transmission component. A locked shifter can occur for a variety of reasons, and will prevent the transmission from shifting. The mechanism can be released by inserting the key into the shift lock slot, usually located near the shifter. Another thing to look at would be the transmission fluid. If it runs low or becomes excessively dirty it may cause the transmission to experience all sorts of issues, including shifting problems. The same with a failed transmission component. If one of the components, such as a shift solenoid or transmission sensor, fails, they can prevent the transmission from shifting properly. In some cases they may even prevent the transmission from shifting at all. It may also be possible that there is some sort of internal transmission issue causing the problems. As these sorts of transmission related issues can sometimes be difficult to diagnose, I would recommend having a professional technician, such as one from YourMechanic, come to your location to diagnose the cause of the shifting problems.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.