Transmission of Jeep Cherokee is such an easy task it wouldn’t even take a complete minute of yours. Vehicles nowadays, tend to rely on the electrical system.
This electrical system includes transmission systems as well, which are controlled by transmission control modules (TCMs).
To reset the Jeep Grand Cherokee transmission, start by safely stopping the jeep and shifting it into Neutral or Park. Hold down the ignition switch to turn off the engine, wait for at least 30 seconds, and then restart the engine. Now shift into your desired gear range.
This procedure can help resolve minor transmission issues related to electronic controls, but for more significant mechanical problems, it’s advisable to consult a professional mechanic and always prioritize safety during these steps.
Table of Contents
Steps to Resetting The Jeep TCM System
Although the process has been mentioned above let’s discuss everything in detail in steps.
- Stop the Vehicle:
First, you need to stop your Jeep, to let it process the reset function only.
- Select Gear:
Once you have stopped your Jeep, you need to switch the transmission to either Neutral gear or to the Park.
- Turn Off the Engine:
Push and hold the ignition switch until the engine turns off.
- Wait:
You further need to wait for 30 seconds at least.
- Restart the Engine:
Then restart the engine carefully.
- Shift into Gear:
Once, 30 seconds have passed, you restart your engine and then shift into your desired gear range. If the problem is no longer available, the transmission will return to normal operation.
If you still face the problem I recommend you go for an authorized dealer service.
Following all these steps would reset the Jeep Grand Cherokee transmission system; however, it might differ in certain jeeps for you always have the owner’s manual to consider that would help you out.
Source: https://docs.jeepegypt.com/GC19OM/#165/z
Function of Transmission Control Module (TCM)
Before you start resetting your TCM system, you first need to know what exactly is the transmission Control Module and why you need to reset it in the first place.
TCM directly interacts with the jeep’s engine and transmission, it assists you by informing you when you shift gears through continuous calculations. This is the sole reason you enjoy the smooth and best performance of your vehicle.
It figures out all the transmission issues too by collecting data on the transmission. Making you aware of all the error codes to the diagnostic onboard. TCM is known as one of the most crucial systems of the vehicle.
TCM not working properly would leave your jeep immobile, which might turn out to be a little annoying and leave you with further issues. Therefore, resetting it would let you help maintain the system error-free by removing any sort of distortions.
When To Reset Jeep Grand Cherokee Transmissions
Although resetting the system makes it work more efficiently, this is something you can’t do all the time. However, there are certain occasions when this needs to be done as a must. This situation includes
1. New System Installation
It is a must thing to do when you replace your system with a new transmission system, as although the transmissions are new your TCM is an old one. Which has been collecting data from the previous transmissions.
A new transmission should be aligned with the New TCM by resetting the TCM for fresh data collection. So there is a need to reset it.
2. Purchasing a Used Jeep
When you purchase a new car, you have no idea how the transmission has been used and what data has been collected already in the TCM. Therefore, you do need to make a fresh start by removing all the previously installed information from the TCM.
3. Regular Servicing
There might be a possibility that due to the regular servicing, the mechanic might tamper the transmission, you might need to reset the TMC once after the the servicing.
4. Better Performance
Last but not least, the main reason for the resetting would be to have the best performance of your jeep. Resetting the TMC would make your hero perform way better than a new one.
5. Having Transmission Issues
However, you can always reset the system when you have issues in the transmission and your either gear or engine is not catching proper signals. You can reset the system to get it all aligned.
In addition, you can think of resetting whenever you see these indications too, indications like certain lights appearing on your dashboard. For instance
6. Shifting Problems
Whether an automatic or a manual vehicle, whenever you see even the slightest difficulty in gear shifting you should reset it.
7. Slipping
Sometimes due to the error in the transmission, your gears might slip, this is something that might not the transmission let go of. So you can reset it and fix it.
8. Warning Lights
Resetting is always an option available when you see a warning light appearing. You can reset it and set it all back in place.
9. Fluid Discoloration
Mainly when you see the fluid changing colors, you may interpret it as the system collapsing. Hence, you need to reset it.
How Often Should It Be Resettled
This is the question that might get asked quite often, when exactly should it be done occasionally?
It is suggested to have it done after every 6 months, some vehicles would want it to be done after every 3 months. It is better to consult your owner’s manual first before making a routine of resetting anything.
Things You Need to Know About TCM
Will resetting the transmission delete any of my vehicle’s settings or data?
No, Resetting the transmission should not affect other vehicle settings, such as radio presets or personal preferences. Its main function is to erase the adaptive learning settings related to transmission operation.
Are there any signs that my transmission needs to be reset?
Signs that may indicate the need for a transmission reset include erratic shifting, loss of power, or a decrease in fuel efficiency. However, these symptoms can also point to other transmission problems, so a professional diagnosis is essential.
Is there a difference between resetting the TCM and a transmission fluid flush or change?
Yes, resetting the transmission deals with the control module’s adaptive learning settings, while a fluid flush or change involves replacing the transmission fluid. Both can be beneficial for different aspects of transmission maintenance.
Conclusion
Resetting your vehicle wouldn’t be hard or big of a deal of deal, whenever you see a little trouble you can easily reset it with the steps mentioned above.
