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I have a 99 New Beetle 2.0L that I have had for a year. The check engine light came on and the resulting codes were P1565 and another that I don't remember (also throttle body related). I replaced the throttle body and had the idle relearn procedure completed and the one code (that I don't remember) cleared, but the P1565 is still coming up. I can clear it with a scanner and turn the CEL off, but if I shut off the engine and restart, the CEL comes back on, and the same code is there. I need to have it inspected so I can keep driving it. Incidentally, I turned off the light with a scanner, thinking I could get it inspected and then worry about fixing the issue, so I could keep driving it in the meantime (it runs fine, just the light is on). But I couldn't get the I/M Monitors to close (I can have three open in NY and still pass inspection, but there were four incompletes). I drove the thing 137 miles trying to get the last monitor to close, but it wouldn't. And then of course, when I shut off the engine and restarted it, the stupid CEL came back on. Any suggestions for next steps? Could it be the ECM? Maybe it wants to see a genuine VW part instead of an after market one (but that is an expensive trial if it turns out to be an error)? Help!
 

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http://wiki.ross-tech.com/wiki/index.php/17973/P1565/005477

Historically, with that code the throttle body; would need to be cleaned and aligned. A dirty throttle body; would throw that code. The clean/adapt; would fix the issue. However, people here; have had the internals of the TB get damaged and required replacement. What scanner are you using and where did you get the new throttle body (used, new, rebuilt etc.)?

It would be nice; to have access to a VW scanner, like VCDS to do more in depth testing. Please, post any and all trouble codes, you have had.

Sometimes; with replacement parts, a trouble code will remain "persistent" in the ecu memory. If this is a a possible issue; you might try a "hard reset"; of the ecu by removing the pos/neg battery cables and touching them together for 30 seconds. This will reset the memory of the ecu; this is worth a try. You would probably; need to do a alignment of the throttle body after this procedure.

http://wiki.ross-tech.com/wiki/index.php/Throttle_Body_Alignment_(TBA)

If you do not have access to VCDS; you might try and put the ignition/key in the "on" position, for a minute or so, until the throttle body... stops making noises.

By the way; here is another throttle body for sale cheap:

http://newbeetle.org/forums/parts-accessories/83650-fs-throttle-body-2-0-aeg-no-cruise-control.html

From what I see on the 'net; it looks like your 99' has a cable and isn't DBW.

It may not be your issue but this guy, found out that it wasn't his TB but his ecu was fried:

https://www.youtube.com/watch?v=vYsdw_gKEgA
 
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