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Old 01-05-2013, 11:28 AM   #1253
tech4tech
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Join Date: Jun 2010
Location: california
Posts: 122
My Ride: e46, 325i
Quote:
Originally Posted by ac_2007 View Post
What you're referring to are probably engineering codes which cannot be cleared.
These are non-active codes from the code history marked in yellow. On some modules they erase just fine, but some do not. For example, I had my car on a dyno for smog test, which set off the wheel speed sensor codes. I cannot erase these non-active "yellow" codes with PA Soft -- they are just sitting there in code history. Same for the ABS code.
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