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Originally Posted by LarryIII
If I get a trouble light code (say, the check engine light comes on) on my '97 SVX which is an OBII car, can I clear the code by disconnecting the battery overnight?
Also, will disconnecting the battery cause problems (obliterate the code for good, etc.)?
Thanks for answers.
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Disconnecting the battery will turn the light off temporarily. I've done it on my OBDII Outback several times. The code, I believe, is stored on non-volatile memory so even without power the code will be stored as a "recent problem" until it is erased by a OBDII scanner. You realize of course that if you do have a real problem the light will evetually return after so many driving cycles.
Dave