Skip the auto shop - Our mechanics make house calls

Q: transmission control module failing. We just replaced the computer module (pcm) 4 days ago?

asked by on

Check engine light indicates several codes all pointing to transmission module failure..first code reads p0700 all the codes point to the transmission control module failing. We just replaced the computer module (pcm) 4 days ago..i know they are linked for sure could one cause the other to fail? Or a loose connection or something? We just think its odd we just replaced the computer module days ago now the transmission module is failing . Please help.

My car has 107343 miles.
My car has an automatic transmission.

The P0700 trouble code is a code for transmission control module (TCM) failure. Without knowing the other codes, it will not be possible to give you an accurate answer; it all depends on the other codes:

  • If you get a P0755 code, you may have a transmission solenoid pack issue.
  • P0725 indicates a likely crank position sensor issue.

I would suggest having your Check Engine Light diagnosed by a qualified mechanic.

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!
  • Home
  • Questions
  • transmission control module failing. We just replaced the computer module (pcm) 4 days ago?

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: P0755 & P0700 error codes

The problem with buying used tires and not having them balanced is the potential problems they can cause. Most transmissions - or more specifically, the Powertrain Control Module (PCM) which controls the transmission and drive line - contain incredibly...

Q: Check engine light is on

Hello. If the trouble codes have remained after the crankshaft position sensor has been replaced then it may be possible that the issue lies elsewhere. P0335 is the trouble code for a crank position sensor malfunction. The circuit includes the...

Q: Swapping engines.

If you are going to try and replace the engine with the turbo engine for this car you are going to have more than a few modifications to do. The main one is the wire harnesses will b different. The...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.