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BMW Diesel Owners / Enthusiasts
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  #1  
Old 01-21-2013, 02:36 PM
cssnms cssnms is offline
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Location: Murland
 
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Mein Auto: '11 335d
Question Fault code 474C???

Does anyone know what triggers this code?

I pulled along with some other fault codes using the BT cable. I able to erase all code except for this one. My low DEF triggered the "no start in 999" over the weekend, I wonder if it's related?
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  #2  
Old 01-21-2013, 05:14 PM
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Flyingman Flyingman is offline
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Appears to be related to the exhaust pressure sensing system???? Emission related.

P0474 Exhaust Pressure Sensor Intermittent
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  #3  
Old 01-21-2013, 05:16 PM
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Flyingman Flyingman is offline
hang up and drive!
Location: Miami
 
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I've had a low def temp sensor code for last 8,000 miles or so. Live in Florida so not too worried about it freezing!

I suspect one could defeat most of this emission crap that only causes alarms and SES lights.
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  #4  
Old 01-21-2013, 05:52 PM
cssnms cssnms is offline
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Quote:
Originally Posted by Flyingman View Post
Appears to be related to the exhaust pressure sensing system???? Emission related.

P0474 Exhaust Pressure Sensor Intermittent
I don't know and I could be wrong, but that looks like a generic "P" code, not a BMW code. P codes then need to be translated into BMW specific fault codes.

The closest thing I found was 477C for an injector activation duration (control unit internal)

Found here.... http://www.endtuning.com/bmwcodes.html#DDE6
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  #5  
Old 01-22-2013, 03:41 AM
GreekboyD GreekboyD is offline
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So this code did not throw a CEL right? I'd top of the urea and see if it appears again. Could be a one time occurence type of situation where the DDE still logs the event.
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  #6  
Old 01-28-2013, 06:05 AM
elester12 elester12 is offline
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I had that code when the pressure sensor before the DPF went bad.
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  #7  
Old 01-28-2013, 03:14 PM
cssnms cssnms is offline
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Originally Posted by elester12 View Post
I had that code when the pressure sensor before the DPF went bad.
Thanks for the reply. I don't have an ses light, but last I checked the fault code was still there.

What was involved with the repair?
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  #8  
Old 02-01-2013, 12:31 PM
elester12 elester12 is offline
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Replaced the sensor. Had to drop exhaust.
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