|| Confusing Problem When Interfacing Through OBDII ||

lowrider · 04-07-2009, 03:41 PM

So today I drove down to EAS, who continually amaze me in customer service

, and we tried to reflash my car's computer so that I could roll up the windows from the key.

Tom, plugged his USA/Euro car programmer into my OBDII plug and was able to read a couple fault codes and clear those, but was not able to access my car's computer. An error came up for every type of interface he tried. For some reason my car's computer is not letting him in to change certain things, although it should let him in.

The only I've changed recently is the installation of a Double Din head unit (AVIC F90bt) but I don't really see how that could be related.

Any help on this matter would be greatly appreciated!!!

TIA

lowrider · 04-14-2009, 12:28 AM

nobody? Really wish I could get this figured out.

NickG@TechniqueTuning · 04-14-2009, 11:55 AM

Did you try through the 20-pin underhood connector?

Also, if the 20-pin connector hood is missing or unscrewed, the OBD2 plug under the dash will not communicate with the ECU.

AMG-ETR · 04-14-2009, 01:14 PM

NickG for president!

lowrider · 04-14-2009, 11:17 PM

Quote:

Originally Posted by NickG@TechniqueTuning

Did you try through the 20-pin underhood connector?

Also, if the 20-pin connector hood is missing or unscrewed, the OBD2 plug under the dash will not communicate with the ECU.

Thanks, I'll look into it. It is possible that the 20 pin plug could be loose. Tom didnt seem to have the interface for the 20 pin, only the OBDII, I could be wrong though.

Thanks for your help! And I'll vote for you when you run for president!

04-07-2009, 03:41 PM	#1
lowrider Registered User Join Date: Jun 2006 Location: Los Alamitos, CA Posts: 663 My Ride: modified 323Ci View My Garage	\|\| Confusing Problem When Interfacing Through OBDII \|\| So today I drove down to EAS, who continually amaze me in customer service, and we tried to reflash my car's computer so that I could roll up the windows from the key. Tom, plugged his USA/Euro car programmer into my OBDII plug and was able to read a couple fault codes and clear those, but was not able to access my car's computer. An error came up for every type of interface he tried. For some reason my car's computer is not letting him in to change certain things, although it should let him in. The only I've changed recently is the installation of a Double Din head unit (AVIC F90bt) but I don't really see how that could be related. Any help on this matter would be greatly appreciated!!! TIA __________________ Picture courtesy of EAS

04-14-2009, 12:28 AM	#2
lowrider Registered User Join Date: Jun 2006 Location: Los Alamitos, CA Posts: 663 My Ride: modified 323Ci View My Garage	nobody? Really wish I could get this figured out. __________________ Picture courtesy of EAS

04-14-2009, 01:14 PM	#4
AMG-ETR OEM ///Member Join Date: Mar 2006 Location: Richmond Hill Posts: 2,192 My Ride: The 332Ci View My Garage	NickG for president! __________________

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04-14-2009, 11:55 AM	#3
NickG@TechniqueTuning Past Site Sponsor Join Date: Jan 2009 Location: South Florida Posts: 271 My Ride: E46 330ci Turbo View My Garage	Did you try through the 20-pin underhood connector? Also, if the 20-pin connector hood is missing or unscrewed, the OBD2 plug under the dash will not communicate with the ECU.