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There are several methods (each resulting in temporarily "disabling" the Diagnostic Trouble Code, known as DTC). Usually, you can disconnect the battery NEG terminal for several minutes (to be sure). You might succeed in resetting the computer by cycling the ignition switch (on, off, on, off, on, off), each time waiting for 3-5 seconds in each position. There are a variety of methods (depending on make, model, year) which may, or may not, be successful. What many "mechanics" do not know is what series of electronic events take place when they connect a diagnostic tool to any given vehicle. When said mechanic chooses to "erase" (using a scan tool) the DTC from memory, they are only turning the light off, and not fixing the problem. Once a DTC has been set, that code remains until said problem is remedied. Oftentimes, a "Service Engine Soon" lamp will illuminate when a vehicle is in need of routine maintenance, a "hiccup" due to bad gas, a leaking vac. line, etc. "Check Engine" lamps require more serious attention. There are many varied techniques for PROPERLY resetting the PCM/ECM parameters (back to factory specs). Many require a series of start/stop driving conditions, such as: accelerating from 0-60 and maintaining speed for 5 miles, decreasing speed to 40MPH... and maintaining said speed for 2 miles, stopping car to idle for 1 min, Etc. You might try a "quick flash" by disconnecting both cables from the battery. Then, clamp both NEG and POS cables together...making sure that you do not allow this connection to make contact with the battery ( or any other positive power source). Allow this connection to rest for about 10 minutes. Keep in mind that computers are very sensitive, and are subject to damage... by even the slightest of power surges...or inadvertent contact with a power source. Automobile computers ground POSITIVE, not NEGATIVE. So, what you are doing when you connect the two cables together is drawing down any unwanted energy which might be stored in the computer/ICM/ECM/PCM... Reconnect the cables to the battery (after 10 min.). Then, to be certain that the previous codes are not "ghosting", drive the car for a minimum of 20 miles (preferably 60). If the codes were properly (and permanently) removed, the DTC lamp will not light again. Good luck.
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A quick way to reset the check engine light would be to disconnect the battery for a short while
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To reset the check engine light first lift and prop up the hood of the 2002 Nissan Sentra. Then proceed to remove the negative battery cable for five seconds.
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Repair the problem then use an OBD2 scan tool to reset the light.
How do you reset the check engine light on 1995 nissan altima?
To reset the check engine light on a 1995 Nissan Altima, first, disconnect the negative battery terminal and leave it disconnected for about 10-15 minutes. This will reset the vehicle's computer and clear the check engine light. Reconnect the battery terminal and start the engine to see if the light has turned off. If the light persists, there may be an underlying issue that needs to be addressed.
How do you clear the service engine soon light in a 2008 Nissan altima?
if your take it to a autozone tell them you have a check engine light and they will tell you whats wrong if anything and reset it take it to autozone and tell them your check engine light is on and they should reset it
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How do you reset check engine light on 1995 Nissan altima?
Auto Zone or Advanced auto parts can reset the light for you. They tell you they are not suppose to but many times they will.
How do you reset the check engine light on 2002 Nissan frontier?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
How do you reset the engine warning light on a Nissan primera p12?
The best way to reset the engine warning light on a Nissan Primera p12 would be to take it to a mechanic. It is best to have a mechanic check it out to make sure nothing is wrong that could malfunction and put someone in danger. The mechanic will be able to reset the engine warning light.
How do you reset the check engine light on a 2004 Nissan Frontier?
To reset the check engine light on a 2004 Nissan Frontier, you can disconnect the battery by removing the negative terminal for about 15 minutes. This will clear the engine control unit's memory, including the check engine light. Alternatively, if the underlying issue has been resolved, you can use an OBD-II scanner to erase the trouble codes that trigger the light. Always ensure that the root cause of the check engine light is addressed before resetting it.
