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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #1  
Old 10-14-2012, 06:30 AM
dieseldr dieseldr is offline
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Location: Central Florida
 
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Mein Auto: 335d
SES came on again, New DTC this time

Hi,
While cruising down I-75 Friday, SES illuminated.

This time the code is P02CE.

No idea what it actually translates to for a 2010 335d, but my scanner web site says

"Cylinder 2 fuel injector offset learning at minimum limit"

I realize the DTC meaning may be different from the generic list on the scanner web site,
sure would like to know what the code really means.

So I have been able to drive the car for 3 months before having to take it in again!!!

dieseldr
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1983 300TD = old clacker 370,000
1985 300SD = Son's Diesel cruiser 340,000
1985 300TD = Dad's Diesel wagon 175,000
1992 Kubota Diesel tractor = mutant lawn mower 390hrs
2000 Ford Powerstroke Diesel = Wife's Toyota crusher 240,000
2010 BMW 335d = new toy 52,000
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  #2  
Old 10-14-2012, 08:05 AM
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floydarogers floydarogers is offline
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Location: Renton, WA
 
Join Date: Oct 2010
Posts: 3,560
Mein Auto: 335d, 328d, Toyota T100
Quote:
Originally Posted by dieseldr View Post
This time the code is P02CE.

No idea what it actually translates to for a 2010 335d, but my scanner web site says

"Cylinder 2 fuel injector offset learning at minimum limit"

I realize the DTC meaning may be different from the generic list on the scanner web site,
sure would like to know what the code really means.
Because of small manufacturing differences, each injector has slightly different characteristics. The engine computer (DDE) maintains adaptation values for each injector that baseline the injectors' characteristics. This code is telling you that the injector is no longer able to be programmed correctly - I'm not sure if it means too lean or too rich.

It's possible that it can be cleaned (although piezo-electric injectors don't clean well), but I suspect you may have to have it changed out.
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  #3  
Old 10-14-2012, 08:47 AM
dieseldr dieseldr is offline
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Location: Central Florida
 
Join Date: Jun 2012
Posts: 12
Mein Auto: 335d
Thanks for the explanation!
Your signature photo looks like the time I drove up to Paradise ranger station one winter...
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1983 300TD = old clacker 370,000
1985 300SD = Son's Diesel cruiser 340,000
1985 300TD = Dad's Diesel wagon 175,000
1992 Kubota Diesel tractor = mutant lawn mower 390hrs
2000 Ford Powerstroke Diesel = Wife's Toyota crusher 240,000
2010 BMW 335d = new toy 52,000
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  #4  
Old 10-14-2012, 10:16 AM
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floydarogers floydarogers is offline
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Location: Renton, WA
 
Join Date: Oct 2010
Posts: 3,560
Mein Auto: 335d, 328d, Toyota T100
Quote:
Originally Posted by dieseldr View Post
Thanks for the explanation!
Your signature photo looks like the time I drove up to Paradise ranger station one winter...
Chinook Pass, on the East side of Mt. Rainier! May 9th this year.

Last edited by floydarogers; 10-14-2012 at 10:17 AM.
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  #5  
Old 01-01-2013, 06:44 AM
dieseldr dieseldr is offline
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Location: Central Florida
 
Join Date: Jun 2012
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Mein Auto: 335d
I guess the car just does not like I-75....

While cruising down I-75 Sunday, SES illuminated.

The code is P02CE. Again. Fuel Injector #2. Again.

So either the dealer did not change it last time, as they reported, OR the remanufactured replacement injector failed after 10 weeks service.

I did get to drive the car 10 weeks since the last failure, a new record!

__________________
1983 300TD = old clacker 370,000
1985 300SD = Son's Diesel cruiser 340,000
1985 300TD = Dad's Diesel wagon 175,000
1992 Kubota Diesel tractor = mutant lawn mower 390hrs
2000 Ford Powerstroke Diesel = Wife's Toyota crusher 240,000
2010 BMW 335d = new toy 52,000
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  #6  
Old 01-01-2013, 08:35 AM
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Axel61 Axel61 is online now
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Mein Auto: 335d
Try using injector cleaner

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  #7  
Old 03-11-2013, 03:20 PM
dieseldr dieseldr is offline
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Location: Central Florida
 
Join Date: Jun 2012
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Mein Auto: 335d
Update March 11 2013 -
Cruising down I-75 again (take the son to/from Gainesville often), SES again.
Pulled the code, injector #2 again.
Car idles rough.
Mileage dropping rapidly, probably injector leaking badly.
Third time to the dealer to fix the same thing.
Again.
Can't drive it for more than 3 or 4 months w/o a failure.
What a POS, I'll never own another BMW.
dieseldr
__________________
1983 300TD = old clacker 370,000
1985 300SD = Son's Diesel cruiser 340,000
1985 300TD = Dad's Diesel wagon 175,000
1992 Kubota Diesel tractor = mutant lawn mower 390hrs
2000 Ford Powerstroke Diesel = Wife's Toyota crusher 240,000
2010 BMW 335d = new toy 52,000
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  #8  
Old 03-11-2013, 03:41 PM
OILPowered OILPowered is offline
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Location: Orange County, CA
 
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Mein Auto: '11 335d
Did they replace the injector last time? Seems like a faulty part again- it is unlikely but possible. I don't see how the same injector would keep failing if it was replaced, unless their is an associated component causing it to prematurely fail. I don't know enough to know what that might be, unfortunately.

Last edited by OILPowered; 03-11-2013 at 03:52 PM.
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  #9  
Old 03-11-2013, 03:48 PM
GreekboyD GreekboyD is offline
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Quote:
Originally Posted by OILPowered View Post
Did they replace the injector last time? Seems like a faulty part.
According to his invoice from above they did replace the #2 injector. Makes me wonder though if they really did not do a good job in doing so.

Last edited by GreekboyD; 03-11-2013 at 03:50 PM.
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  #10  
Old 03-11-2013, 04:28 PM
Penguin Penguin is offline
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Location: Illinois
 
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Mein Auto: Z4 and X5 Diesel
Quote:
Originally Posted by GreekboyD View Post
According to his invoice from above they did replace the #2 injector. Makes me wonder though if they really did not do a good job in doing so.
I would expect BMW NA, who is paying the bills, is going to start wondering about the quality of the part replacement job pretty soon. I wonder how fragile/sensitive to handling those piezo injectors are, and if they are sensitive to over-torquing of any "hold-in" components). I suppose they could have a bad batch of injectors in the parts system...

Last edited by Penguin; 03-11-2013 at 04:33 PM.
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  #11  
Old 03-11-2013, 06:36 PM
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Jim E. Jim E. is offline
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Mein Auto: 1999 M3 Coupe & 2009 335d
Looks like they did what they were supposed to do. Odd.

This is the detail of that fault code.


4AE6 - P02CE
Information saved in DDE
Fault code 4AE6 - P02CE
Fault text:
DDE: Zero-quantity adaptation, injector, cylinder 2: permissible filtered activation duration correction too low

Fault description: Monitoring zero-quantity delivery rate adaptation.
The diagnostic trouble code is logged when the injector activation period at one of the 3 calibration points falls below the maximum activation duration and when the signal deviation at one of the 3 calibration points exceeds the signal limit.

Condition for fault identification: 1. Test condition: Monitoring proceeds in a 100 ms grid. Voltage condition: Monitoring proceeds in a 100 ms grid.

Condition for fault memory entry: Event debounced (1)

Action in service: Replace injector.

Fault effect and breakdown warning: -

Driver information: Warning light: MIL

Service instruction: none
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  #12  
Old 03-11-2013, 06:50 PM
montr montr is offline
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Location: Atlanta
 
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Mein Auto: 335d 2010
I had this same fault for the 3th time. Injector #2 has been replaced 2 times. On the 3th time the dealer opened a PUMA case with BMWNA. According the SA, they loaded special diagnostic software on the car and the problem is communication between the various ECU, i.e. a software problem. Per BMW instruction (PUMA case), they cleared the fault codes and reprogrammed the car with the FSE to new level E89X-12-07-508. They did not replace the injector.

It has been 2 weeks and I did not get the code again. Time will tell.

Last edited by montr; 03-11-2013 at 06:53 PM.
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  #13  
Old 03-12-2013, 05:14 AM
BMWTurboDzl BMWTurboDzl is offline
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Location: SE United States
 
Join Date: Jul 2010
Posts: 1,135
Mein Auto: 335D, 435i (Ordered)
Quote:
Originally Posted by montr View Post
I had this same fault for the 3th time. Injector #2 has been replaced 2 times. On the 3th time the dealer opened a PUMA case with BMWNA. According the SA, they loaded special diagnostic software on the car and the problem is communication between the various ECU, i.e. a software problem. Per BMW instruction (PUMA case), they cleared the fault codes and reprogrammed the car with the FSE to new level E89X-12-07-508. They did not replace the injector.

It has been 2 weeks and I did not get the code again. Time will tell.
Software fixes are much preferred IMO. Good luck!

Sent from my MB525 using Bimmer App
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  #14  
Old 03-12-2013, 08:46 AM
DunkinV DunkinV is offline
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Location: Chicago
 
Join Date: Mar 2013
Posts: 6
Mein Auto: 335d Carbon Generator
I went through a year of injector failures, rough idle and zero quantity adaptation faults and replaced several injectors multiple times. Last November my dealer opened a PUMA case with BMW engineering and they replaced the DDE.

For anyone who has repeat injector failures, I recommend asking your SA to open a PUMA case and ask about DDE failure.
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  #15  
Old 03-23-2013, 05:06 AM
dieseldr dieseldr is offline
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Location: Central Florida
 
Join Date: Jun 2012
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Mein Auto: 335d
Here is the status - agrees w/ previous comments - software......

It appears that when two of the computerized systems "DDE" "SCR" are not synchronized with respect to firmware patches and/or other configuration data, the SYMPTOM of this problem is to throw a code that says the #2 injector is having a problem.

The #2 injector is, in fact, fine, it is the software that is confused and asking "Hey -BMM Tech - help!!"


__________________
1983 300TD = old clacker 370,000
1985 300SD = Son's Diesel cruiser 340,000
1985 300TD = Dad's Diesel wagon 175,000
1992 Kubota Diesel tractor = mutant lawn mower 390hrs
2000 Ford Powerstroke Diesel = Wife's Toyota crusher 240,000
2010 BMW 335d = new toy 52,000
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  #16  
Old 03-23-2013, 05:32 AM
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62Lincoln 62Lincoln is offline
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Mein Auto: 335d
I noticed your mileage on the scan of the work sheet - might it be a good idea to consider a maintenance plan before you click over 50,000? Well, that is IF you're going to keep the car!
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