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Been using an ELM327 adapter with various apps to clear OBD-II trouble codes. While this works, wondered if there is an app or device which can do the following without intervention:

  • Clear all obd-ii codes when accessory power is detected. (this would be a solid state device, not a phone app)

  • Phone app which has a widget to clear codes. This would bypass manually opening the app, reading codes, clearing codes. Looking for a one-click way to clear them, assuming the odb-ii adapter has been previously configured for use within the app.

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    Welcome to Motor Vehicle Maintenance & Repair! While i'm sure this is doable ... I'm wondering why? What is the purpose. To delete/purge/clear codes automatically means you'd never see the codes or CEL when they occur. If a code pops, there's a reason why it pops. It's there to tell you something is wrong with your car ... you better figure out what it is. If deleted when they occur, you'd just never know and would be clueless. Not a good situation ... at least not what I'd like. Feb 13, 2021 at 16:41
  • The codes appear for a reason, and that reason should be checked.
    – Solar Mike
    Feb 13, 2021 at 17:08
  • Didn't mean to turn this into a dissertation; codes have been checked and there is a reason for doing this that is outside the scope of the question. Feb 13, 2021 at 17:41
  • So how do you expect to read new codes before they get cleared automatically.
    – Solar Mike
    Feb 13, 2021 at 19:40
  • Understand your follow up, but that's not the question being asked. Feb 15, 2021 at 0:17

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It's now exists. I'm testing a unit. Different code appears. Unit switches off to allow eml to come on. Obdxbox

Fatbillslim EBW Automotive

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