What to do if your Silverado shifting is bad?
Sometimes it might require a re-calibration load by a dealer; that will cost if off warranty. And sometimes, it could be solenoids that the computer controls are bad, or a hard part inside the trans is bad. Really hard to diagnose from a recliner hundreds of miles away.
How long does it take to reset Transmission Control Module Chevy?
When it is done with the TCU as well as the programming of the ECU, you should take your car for a ride. The trip may take 15 to 20 minutes. You must keep in mind that you are educating your engine exactly how you drive.
Is there a way to reset the computer shifting?
I guess the shifting is computer controlled in a 2008 silverado 1500 4.8?It gets confused as to what gear it is supposed to be in ,it slips and jumps and winds up in the wrong gear.Is there a way to reset the computer shifting or eliminate computer shifting ?Any help would be appr.thanx.Ps.
Where is the Transmission Control Module located on a Chevy?
The transmission control module is usually located at the rear of the transmission case, precisely under the cover. It is located below the engine control module.
How to test shift solenoids on GM 4.3L?
In this article, I’ll show you how to test the transmission shift solenoids (specifically 1-2 solenoid and 2-3 solenoid) on your GM 4.3L, 5.0L, 5.7L pick up, van, SUV. You’ll be surprised just how easy it is to diagnose these shift solenoids when they have failed.
What happens when one of the shift solenoids fails?
When any one of these two shift solenoids fail, the PCM commands the transmission to operate in LIMP IN MODE and this means that the transmission will run in 2nd gear only (no 1st and no 3rd or 4th).
What does it mean when transmission runs only in 2nd gear?
Transmission runs only in 2nd gear. This is known as running in LIMP IN MODE. The most important thing to remember, when trying to decide if you have a solenoid issue or internal transmission damage (causing the transmission to stay in Limp-In mode) is two very important things:
Why does my transmission stay in limp-in mode?
The most important thing to remember, when trying to decide if you have a solenoid issue or internal transmission damage (causing the transmission to stay in Limp-In mode) is two very important things: You’ll have a specific transmission solenoid trouble code stored in the PCM’s memory. The transmission doesn’t ‘slip’.