To reset your Dodge Durango’s computer, you have a few options. First, you could disconnect the negative battery cable. Then, press the brake pedal for about 30 seconds. After that, reconnect it. This helps reset your computer and recalibrate it. You can also try driving your Durango until the check engine light goes off. As you drive, the PCM (powertrain control module) resets itself. Remember, if you’ve had emission work done recently, driving for a bit helps. The computer needs time to relearn all the new settings. This step is crucial, especially if you need to pass emissions tests. Do note, the reset process might differ based on your Durango’s model and year.
Key Takeaways:
Disconnecting the negative battery cable and depressing the brake pedal for 30 seconds is one method to reset the computer in a Dodge Durango1.
Allowing the vehicle to be driven until the check engine light turns off can also reset the PCM2.
The computer may need some driving time to relearn settings and readings after emission work3.
It’s important to note that the process may vary depending on the model and year of the Dodge Durango1.
Resetting your Dodge Durango’s computer is key for solving some problems and getting the best performance. It helps whether you’re fixing an alarm issue, engine control errors, or getting ready for emissions tests. By using the recommended reset methods and letting the computer recalibrate, your Durango will be back to its best shape.
Sometimes, you might reset your computer but still see issues with emissions or a “no buss” message. But don’t worry. There are common steps you can take to fix these issues.
A usual problem is a shorted 5v power supply circuit. This short can mess up the CCD bus communications. The CCD bus helps different sensors and modules talk to each other. A faulty sensor like the crankshaft position (CKP) sensor or camshaft position (CMP) sensor might cause the short. It could also be the manifold absolute pressure (MAP) sensor, throttle position sensor (TPS), or governor pressure sensor. Try unplugging each sensor one at a time. Then, check the voltage on the 5v power circuit. If the voltage goes back to 5v after you unplug a sensor, that sensor might need changing.
Also, look out for any shorted wires or bad solder joints on the PCM circuit board. Checking these areas well can help you find and fix the root of the problem.
If you’re not sure about doing these steps yourself, always look at the car’s service manual. Or, you could ask for help from a professional.
Faulty CKP, CMP, MAP, TPS, or governor pressure sensor
Shorted wiring or cold solder joints on the PCM circuit board
By knowing these common problems and following the right steps, you can solve issues with resetting your Dodge Durango’s PCM.
Allowing for Relearning Time
After resetting the computer, give it some driving time to relearn. This is about the computer getting all the right settings and maps back6. The time needed can be as little as 15 seconds or as much as 80 miles, depending on the vehicle.
The computer collects data from different sensors during this time6. You should drive for at least 75 miles. This makes sure the computer adjusts properly. Some emission tests might also need a certain number of key cycles. Always check your local rules before proceeding6.
For the best car performance, let the computer have time to adjust6. This relearning process helps it fine-tune everything. That includes the engine’s efficiency and fuel economy. Being patient during this process is key6.
FAQ
How can I reset the computer in my Dodge Durango?
To reset your Dodge Durango’s computer, you can try a few steps. First, disconnect the negative battery cable. Then, press down on the brake pedal for 30 seconds. Reconnect the cable after this. This trick might reset the computer. Another way is by driving until the check engine light switches off. During this drive, the car’s PCM adjusts itself. Remember, the right way to reset might change based on your Durango’s model and year.
What should I do if I still encounter issues after resetting the computer?
If problems persist after a reset, there are steps you can take. Issues like emission faults or a “no buss” message are challenging but not impossible to tackle. A common problem might be a short in the 5v power supply circuit. This fault stops the CCD bus from communicating. To find the culprit, you could disconnect sensors one by one. Check the 5v power supply circuit each time. Also, look for shorted wires or bad soldering on the PCM’s circuit board.
How long does it take for the computer to relearn after resetting?
After a reset, your car needs time to relearn its settings. This relearning helps achieve the best performance. How long it takes can vary. It might be as quick as 15 seconds or as long as 80 miles of driving. During this phase, the computer collects data to optimize settings. It’s wise to drive at least 75 miles post-reset. This ensures the computer has adequate data for its adjustments.
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