You need to have it checked for codes with a scan tool, otherwise unhooking the battery will erase the codes until the mafunction happens again.
Disconnect battery
Auto Zone will check your computer codes for FREE... They can also clear them.
please clear your question what codes and definations u want?
Disconnect the battery - wait a few minutes and reconnect ____________________________________________ Your best and correct way to clear your computer of any codes is to have a code reader. Auto Zone will check and clear your computer codes for FREE.
The light is on because there is a failure. You need to have the system checked for codes. When the failure is repaired, the light will clear itself.
The ideal way is to read them with a scan tool, fix the problem , and then reset them with the scan tool. Failing that you can unhook the battery and reset the codes until the failure reoccurs.
NO.
get off your computer and go outside.
What do you mean... reflash? Trying to get comp codes? Trying to clear all comp codes?
With a scan tool, or unhooking the battery.
Sometimes simply disconnecting the battery will clear codes, or after cycling through the start mode so many times will do it .You can also plug an O.B.D. unit into your E.M.C. as a code reader and clear codes. Pull the fuse for the ecm.
Usually diconnecting the battery cable for a few minutes and then reconnecting it will reset the computer That was way back in the old days. Now the computors retain history codes and the only way to clear them is by using a diagnostic computer and only does current codes and not history codes.
That is the same as the check engine light. You will need to have the system checked for codes to know possible causes.