Why is my Transmission Control Module intermittent wiring problem?
If the power to the TCM is randomly intermittent this could be the problem. The tranny shifts well when not in limp mode. No on board check engine light. Scanner says TCM but it has been replaced. Open or intermittent wiring can throw this code. I read a thread some time ago about a splice in the wiring harness that can be problematic.
What are the symptoms of an automatic transmission problem?
1. Grinding or shaking sensation in gear. Your automatic transmission normally operates smoothly when shifting from gear to gear. You shouldn’t feel any grinding, slipping or shaking sensations as your car switches gears. When a transmission is starting to have problems, these symptoms can seem insignificant.
Is there any way to prevent transmission problems?
Proper vehicle maintenance is the best way to prevent transmission issues, but realistically, if you own your vehicle long enough, or if you’ve bought an older vehicle, sooner or later your car will develop some type of transmission trouble.
Why does my transmission change at the wrong time?
If, however, you’ve noticed the transmission change its behaviour, and you know that the gear changes are delayed, the cause is a control issue. That is, the computer controlling the transmission is changing gear at the time it feels is correct.
1. Grinding or shaking sensation in gear. Your automatic transmission normally operates smoothly when shifting from gear to gear. You shouldn’t feel any grinding, slipping or shaking sensations as your car switches gears. When a transmission is starting to have problems, these symptoms can seem insignificant.
When does a car have an intermittent problem?
When a vehicle has a problem that occurs unpredictably it is called an intermittent problem. An intermittent problem may not occur while operating the system or even during a test drive. This can make it very difficult to diagnose the cause of the problem. Intermittent car problems can be a pain for everyone involved!
What should I do if I have a transmission problem?
If that’s the case, it’s important to have a qualified automatic transmission mechanic look at it right away. Summary: Some noises may be simple problems due to your transmission fluid, while other times it maybe more serious. Certainly check your automatic transmission fluid if you can.
Can a bad transmission shift solenoid cause hard shifting?
You may also have intermittent problems with the transmission shift solenoid, which will cause shifting problems. This can cause hard shifting or shiftings at too low or too high RPM, for example.