Skip the auto shop - Our mechanics make house calls

Q: My transmission has always shifted hard out of first but the other day it would not shift out of 1st after i reset pcm its perfect

asked by on

My transmission always Shifts hard out of first but the other day it would not shift out of first at all so I reset the PCM and it started working perfectly but now I'm having to reset the PCM every time I go somewhere

My car has 125000 miles.
My car has an automatic transmission.

A: Resetting the PCM is only putting the modul...

Resetting the PCM is only putting the module back to factory settings and clears its memory of any problems. When you go to start the engine, your PCM may be detecting a problem and so it limits you from leaving first gear, or there is a problem with a sensor that is causing the no shift.

Try and shift manually through the gears to see if it will shift with out resetting the PCM. If you still cannot get it out of first, then you should have the vehicle scanned for trouble codes.

Make sure you are not using a re-programmer or anything hooked to the OBD connector like an aftermarket scanner, or it may be causing your problem. I have seen aftermarket programmers cause some really weird erratic problems with the power train.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: We put a new camshaft sensor on my 2004 dodge stratus sxt. Now the car stalls. What could cause this?

Check to see if any OBD-II trouble codes have set as if they have, they will be important clues to what is going on. Stalling has many causes apart from a faulty camshaft position sensor or faulty camshaft position sensor...

Q: can you replace the 700r4 with the turbo 400?

The turbo 400 was used on a lot of trucks with the 5.7 engine and should be bolted up if it came out of an engine with a 5.7 or 5.0 engine. As far as the drive shaft and length...

Q: PO700 code is read on a code reader.

Hi there. The computer to the transmission (TCS) has failed and is not responding to any sensors and solenoids. When the TCS fails, it shuts off power to the transmission putting it into a limp mode as if the harness...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
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.