What causes a bad transmission control module?
Damage to the control module can be caused by voltage overload, when there is a short in the solenoid or actuator circuit; when water causes the circuits to get shorted out; or vibration and thermal stress.
What happens if you drive with a bad transmission control module?
Problems with your transmission control module can result in not being able to shift properly which can cause accidents and injury. On top of that, driving with a faulty transmission control module can cause lasting damage to the wiring in your transmission.
What is the Transmission Control Module ( TCM )?
The transmission control module (TCM) is a vital component of any vehicle with an automatic transmission system. Rather than relying on hydraulic or mechanical control over a transmission system, newer vehicles use a transmission control module instead.
Why does my transmission control module act weird?
And let’s not dismiss what can cause your TCM to act funky when there is nothing wrong with it. A bad battery, a bad alternator and other electrical problems can send inadequate voltage to you Transmission Control Module causing your engine/transmission or both to act crazy.
Do you need to program Transmission Control Module?
If you install a new TCM, it is necessary to program the transmission control module, and the programming must be done at the vehicle. Side Note: You should never attempt to service the vehicle if you have already installed a new transmission control module, as this could cause premature failure of the automatic transmission.
Where is the TCM located in a car?
While swapping out a box might seem simple, the TCM is located inside the transmission in many modern cars, trucks, and SUVs. Opening the transmission is a laborious task, which is why it is reasonable to expect labor costs of at least $300 to replace the transmission control module.
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