If you have your car’s check engine light on, it’s telling you that something is wrong. When you take it to a mechanic, they will plug a diagnostic tool into your car’s computer to try to figure out what the problem is. If the mechanic can’t find any codes, it’s possible that they have been erased.

There are a few ways that this could happen. One is if you disconnect your car’s battery. This will reset all the codes in your car’s computer. Another way is if you use a code reader or scanner that has a “clear codes” function. This will also erase the codes.

If the mechanic says that your codes have been erased, it’s possible that the problem has been fixed. If the light is still on, it means that the problem is still there and the mechanic will need to figure out what it is.

Other related questions:

Q: Can a dealership see if you cleared codes?

A: A dealership can see if you cleared codes on your vehicle if they have the right tools and equipment.

Q: What happens when you erase car codes?

A: When you erase car codes, the check engine light will turn off and the codes will be erased from the system.

Q: How long does it take for the check engine codes to show up again?

A: It can take a day or two for the check engine codes to show up again. However, if the problem is not fixed, the codes will likely come back sooner.

Q: Is it OK to erase DTC codes?

A: Yes, it is okay to erase DTC codes.


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