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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 10-06-2011, 06:08 AM
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Flyingman Flyingman is online now
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Service engine soon light

I was just talking with my mechanic friend about how much I liked my 335d, reliable, great mileage, etc... and bam! Got a SES light this morning.

My ECORoute captured the code:

P2063 Reductant/Regeneration Supply Control Circuit Low

Not sure what this is but assume something related to the Particle Filter Regeneration?

Anybody else seen this?

How urgent is it?

Thanks!
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Last edited by Flyingman; 10-06-2011 at 06:17 AM.
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  #2  
Old 10-06-2011, 06:19 AM
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Here are some photo shots of the Garmin ECORoute with code shown.
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  #3  
Old 10-07-2011, 06:26 AM
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Flyingman Flyingman is online now
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C;mon guys! No ideas here?

I was hoping it would reset after sitting for a while, but it lights up first thing.

One positive note, my MPG is up slightly. Coincindence????
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Last edited by Flyingman; 10-07-2011 at 06:27 AM.
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  #4  
Old 10-07-2011, 02:44 PM
Snipe656 Snipe656 is offline
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If it improved your mpg then ignore the light. Worst case the car burns to the ground or engine seizes up but that is what your warranty and insurance are for

I have no clue on the code, I'd just drop it off.
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  #5  
Old 10-10-2011, 08:16 AM
minus13 minus13 is offline
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Just got the same P2063 code, along with P2064.

P2063 Reductant/Regeneration Supply Control Circuit Low
P2064 Reductant/Regeneration Supply Control Circuit high


Looks like another failing sensor to me.

You aren't running a JBD, are you?
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  #6  
Old 10-10-2011, 09:34 AM
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Nope.

It appears to be something related with the DPF, but could not find much info via internet.

Cars seems to perform about the same as always, so I have not got too concerned about it yet. I suppose worse case my emissions may not meet original specs meantime. We don't test emissions in Florida. Or anything else for that matter!

Let me know what you end up doing. I'm thinking of scheduling a drop off when it's convenient as no idea how long it could take to resolve.
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  #7  
Old 10-29-2011, 04:55 AM
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I continue to drive with same SES code on the DPF, but just noted two more new ones have tripped, they appear related to the first.

Car MPG has actually improved slightly, not sure if it is the cooler weather (less A/C) or the fact that the DPF is not funtioning.

I'll try to fit it in to the shop next week.
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  #8  
Old 10-29-2011, 06:06 AM
Snipe656 Snipe656 is offline
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If the DPF were not functioning then would that not mean it is filling up with soot and becoming more of an exhaust restriction than it already is? I'd thought if that were the case then in time it would hurt fuel economy and performance.
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  #9  
Old 10-29-2011, 09:22 AM
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Yes, you'd think over time it would be getting plugged up, increasing exhaust back pressure.

I have definitely not noticed any change in performance other than a slight increase in mpg, perhaps 1-2mpg, but this may be coincindental with the fall cooler weather.

I do some 60% Hwy at high speed so perhaps that is enough to keep it clean and clear.

Anyway, now that three (3) different codes have tripped I'll be bringing it in to be resolved by the dealer.
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  #10  
Old 10-29-2011, 09:46 AM
Snipe656 Snipe656 is offline
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Do let us know what all the codes are and what the dealers fix turns out to be.
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  #11  
Old 11-21-2011, 04:26 PM
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Finally dropped off the car at dealer today to have the DPF fixed. My SA "read" my key and came up with stuff not shown on the car, and stuff showing on the car did not show on the key "read". Go figure? Second time he noticed this discrepancy. He said he'd report that as a problem as well.

He called me after 5pm today to say the car would be ready sometime tomorrow. They were "reprogramming" (what i don't know), which he could not say for sure how long that would take but promised it would be tomorrow.

I reported the squealling belt and he acknowledged there was a service letter out on that, so we'll see what they do on that one.

They gave me a Hertz Rental meantime. Not a BMW.

Full update tomorrow.
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  #12  
Old 11-22-2011, 05:12 PM
julesandtrish julesandtrish is offline
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Interesting about the key fob........Is it storing codes that the engine throws? If that is the case then maybe we should all use the second key (that we all normally don't use on a regular basis) to bring it into BMW after we have removed any aftermarket modifications? Just a thought.
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  #13  
Old 11-23-2011, 05:39 AM
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Got the call yesterday afternoon that car still not ready, SES light resets but triggers again, so they have not yet resolved that. Then they (mechanics) were planning to give me back the car without addressing the squealing fan belt, but SA said no way so they also have to wait for a new belt to arrive today.

I told them I'm in no rush, just let me know when it's done.

I'll drive the rental meantime.
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  #14  
Old 11-23-2011, 04:06 PM
julesandtrish julesandtrish is offline
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Thanks for the update. Keep us posted.
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  #15  
Old 11-25-2011, 10:05 AM
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Black Friday and they still have the car. Said they needed to order a new ECU or something like that which would take a day or so to get. I'm in no rush so told them to take their time and get it right.

I expect it may be ready Sat or perhaps Monday.
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  #16  
Old 11-25-2011, 10:57 AM
julesandtrish julesandtrish is offline
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Yeah they need to get it right. So what it you have to beat up on the loaner for a few more days. The D will feel that much sweeter once you get it back. Keep us posted.
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  #17  
Old 11-27-2011, 03:59 PM
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EYE4SPEED EYE4SPEED is offline
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Quote:
Originally Posted by julesandtrish View Post
Interesting about the key fob........Is it storing codes that the engine throws? If that is the case then maybe we should all use the second key (that we all normally don't use on a regular basis) to bring it into BMW after we have removed any aftermarket modifications? Just a thought.
Hmmm... they do always put the key in the reader when you check in. Wonder what the JBD guys do?

OP - what kind of rental did you get and I always like driving the loaners. Glad you will get your car back soon.
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  #18  
Old 11-29-2011, 04:33 AM
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Not so soon it appears. As of Monday afternoon they were still waiting for a new control board for the DPF (?). Expected in today, so hopefully ready for pick up this afternoon. I'll have a few questions for them.

The rental was just a Hertz Chevy Malibu. They were out of BMWs when I dropped off but did offer me one later. Too much of a hassle to change out.

So they have had the car since last Monday, including the Thanksgiving Holiday weekend, total of 8 days. I wasn't going anywhere so not a problem.
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  #19  
Old 11-29-2011, 03:11 PM
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All right, got my D back today, total of 9 days.

Didn't get much of an explanation from my S/A but service report says the following:

A. Customer reports SES, Checked programming/coding.
Performed SIB 18 02 08 10 D/C 10 50 14 17 00 L/O 00 00 0006* and 61 00 720 also refer to KSD for initializing DSC Sensors.

B. Cust reports squealing fan belt when hot/humid. Replaced Alternator Belt with E90 Diesel Belt as per DCS message from AMM

C. Vehicle and Key have different reading for Maintenance, updated vehicle key

D. Rental Car provided

E. Additional line for Check Engine Light

1831580 Particulate/Metering Filter Unit

Retest vehicle and SES came back on. Fault Code 4C7B DDE Reducing Agent Metering Valve Activation and was not giving me a test plan for fault. Performed a feedback when I went to display fault code under service action 1. Check line and plug connection and thats OK. 2. If line and connection are OK replace SCR Metering checked lines and connection also check metering module and had residual DEF fluid seems like it was cloging the sensor performed PUMA Case #49462329 and was asked to remove and replace module so removed and replaced module and cleared fault memory and test drove vehicle and OK after repairs.



So, basically it looks like an SCR module failure. Anybody know anything about the PUMA case referenced?

Can anybody translate what some of the above says?
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Last edited by Flyingman; 11-29-2011 at 03:12 PM.
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  #20  
Old 11-30-2011, 06:32 AM
Alpine300ZHP Alpine300ZHP is offline
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The PUMA case is when the technician tells BMWNA that they cannot figure out what is wrong with the car. The number is simply the number assigned to your particular PUMA case. The DCSnet system (I think that is what it is called) assigns a number to each PUMA for tracking purposes.Then BMWNA engineers look at the date spit out by the OBDII along with the tech's notes and makes a repair recommendation. This happens more often than not and the purpose is to, hopefully, get the car resolved on the first trip to the dealer rather than send it back out with fingers crossed that the shop tech figured out the problem. Also, these PUMA cases, if frequent enough, often lead to the SIB's that we all see and know. If a problem arises enough then BMWNA creates an SIB which helps future repairs get diagnosed quickly. Don't ask how I know all of this stuff...it is from owning too many BMW's over the years.

Edit: Glad you got your car back. Mine is going in Friday for the fan belt and a peeling start/stop button (wife and her long fingernails).
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Last edited by Alpine300ZHP; 11-30-2011 at 06:35 AM.
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  #21  
Old 11-30-2011, 04:38 PM
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OK, Puma is just an individual unique case. That is clear. Appears Tech needed help after he could not diagnose cause for SES Triggering. Replaced module, SCR Module? Any thoughts on that?

SELECTIVE CATALYTIC REDUCTION (SCR)



Fan belt we all know about so no big deal there.

How about those SIB's he refers to?

Vehicle key reading different from OBCD? Not a biggie for me either.

Roundtrip commute to work and back today, no warnings, no codes triggering. I suppose I'm all good for now.

Hey, what's with FUELLY????
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Last edited by Flyingman; 11-30-2011 at 05:42 PM.
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  #22  
Old 11-30-2011, 05:49 PM
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For those that spekn de deutsch, an excellent animated video of the SCR Technology and how it works.

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  #23  
Old 11-30-2011, 06:06 PM
Snipe656 Snipe656 is offline
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What about for those of us that only speak Texan and Sarcasm?
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  #24  
Old 12-01-2011, 03:38 AM
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Snipe,

Actually if you listen carefully you can make out much of the technical jargon in German!

It is just an excellent animated video of how the whole thing works.

So in your case just mute the volume!
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  #25  
Old 12-01-2011, 03:46 AM
Snipe656 Snipe656 is offline
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Good thing I typically have my volume muted anyway, helps avoid me getting confused over fancy words n stuff.
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