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Can you erase a code with a scanner?

Can you erase a code with a scanner?

I’ve erased codes with a scanner before. On numerous occasions. And no, it is not the same as resetting the ECU. The deal is this: If you have a trouble code that triggers the CEL, erasing that trouble code won’t do much unless you’ve fixed what’s wrong.

When does a permanent DTC get erased by scan tool?

A Permanent DTC will be erased one of two ways:  After three consecutive confirmed fault-free monitoring cycles. The MIL is extinguished and the Permanent DTC is cleared at the start of the fourth fault-free monitoring cycle.  After one confirmed fault-free monitoring cycle following a scan tool “clear DTC” request.

What can an OBD2 scanner that can clear codes do?

What Can an OBD2 Scanner Do? Surprisingly enough, an OBD2 scanner is quite a nifty tool. The OBD2 scanner can be used to troubleshoot automotive service codes, as well as to clear the codes. There are several reasons why you’d want to clear a system code from a vehicle. The first of these is to make the check engine light turn off.

Is there a scan tool to reset the ECU?

I have a scan tool (bought it on amazon) and have used it to reset codes in the past. Resetting the ECU requires you to remove the -ve terminal of the battery or to have you honda dealer do it for you (reflashing the ECU as it is commonly known).

Do You need A Scanner to crank relearn?

These Crank Relearn Instructions may not apply to all vehicles. But they’re close to how it’s done on most cars. Connect a scanner to make sure there are no trouble codes stored in the computer’s memory.

What to do if your crankshaft code is not cleared?

Once again, Insure All Codes Are Cleared Prior to Performing this procedure! If not, the procedure will not complete and the code will reset. If the code still cannot be cleared, the only thing left that can be done is to seek assistance from a trained automotive diagnostician.

I’ve erased codes with a scanner before. On numerous occasions. And no, it is not the same as resetting the ECU. The deal is this: If you have a trouble code that triggers the CEL, erasing that trouble code won’t do much unless you’ve fixed what’s wrong.

Is there a way to relearn the crankshaft position?

If the prior tests have passed and the code is still present, clear the diagnostic trouble codes from memory again and see if your scan tool provides support for Crankshaft Position Relearn. If it does, perform this procedure. Once again, Insure All Codes Are Cleared Prior to Performing this procedure!

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Ruth Doyle