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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 06-13-2006, 01:39 PM
rainman rainman is offline
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Location: Columbus, OH
 
Join Date: Feb 2005
Posts: 12
Mein Auto: '99 328i
Error code P1622

I received the error code P1622 ('99 328i) from the diagnostic tool that Advance Auto Parts let me use. The printout states: Manufacturer Contrl.
Auxiliary Inputs
Auxiliary Outputs

I found a website that defines DTC codes and it states P1622 is MAP Cooling Control Circuit Electrical. Does anyone know what this refers to?

(BTW I did a search for this topic and found that the same question was posed back in Jan. 2005 and there were no responses. I am hoping someone might have encountered the same problem since then and knows what it is)
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  #2  
Old 06-13-2006, 03:10 PM
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hockeynut hockeynut is offline
Casey!
Location: Austin, TX
 
Join Date: Apr 2002
Posts: 17,622
Mein Auto: '04 330cic
I normally just reboot my car

Might want to check in the DIY area of bimmerfest?
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Old 08-14-2006, 07:39 PM
gregp1962 gregp1962 is offline
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Location: Provo Utah
 
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Mein Auto: Audi A4
I'm getting that same code along with P1392 and P1529. Did you ever get your problem solved?
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  #4  
Old 08-14-2006, 07:45 PM
streetk14 streetk14 is offline
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Location: Santa Barbara
 
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Mein Auto: E90 M3
That MAP cooling fault code would be caused by a faulty thermostat. You will need to replace the thermostat.
Andy
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