Re-progamming DME Control Unit

Technical Forum for the Porsche Macan
Ngautrey
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Joined: Thu Nov 28, 2019 3:55 pm

Re: Re-progamming DME Control Unit

Post by Ngautrey » Thu Nov 28, 2019 4:18 pm

Hi All
Had a letter too but have been withholding having the work done.
Found this link which is interesting.
https://www.caremissionslawyers.co.uk/porsche-emissions-scandal-compensation
Porshe Macan S Diesel Sapphire Blue Metalic 2016


gasgas1
Posts: 131
Joined: Thu Jul 19, 2018 8:35 am

Re: Re-progamming DME Control Unit

Post by gasgas1 » Tue Dec 03, 2019 8:37 am

good find Ngautrey, I am signing up once I get a reply to my request sent off to Porsche , perhaps we all should before or after the Porsche fix, bit of a group action.


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Paul
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Re: Re-progamming DME Control Unit

Post by Paul » Tue Dec 03, 2019 7:42 pm

https://www.autocar.co.uk/car-news/industry/vw-dieselgate-damages-civil-case-begin-today
1st Sapphire Blue SD
viewtopic.php?f=23&t=1986

Current Sapphire GTS
viewtopic.php?f=23&t=4296


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Tom 2000
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Re: Re-progamming DME Control Unit

Post by Tom 2000 » Tue Dec 03, 2019 10:25 pm

My questions to Porsche.

I am in receipt of your letter of 20 February 2019 offering me a software update for the above motor vehicle.
I would be obliged if you would advise me on the following:-
a) Under what “certain circumstances” does the software update improve nitrous oxide emissions?
b) What noticeable differences, if any, will there be to my Porsche driving experience?
c) Is the update merely “available” or is implementation recommended or indeed required by Porsche?
I await your response as my car is due shortly to visit a Service Centre.
Macan SD Vocano Grey. LEDs, Pano Roof, PSE, Sports Chrono, PASM, Sports Design Mirrors, 21" Sports Classics in Black, lots of other extras.
http://www.porsche-code.com/PJ2XHAR5 for the day that this works again.


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Tom 2000
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Re: Re-progamming DME Control Unit

Post by Tom 2000 » Tue Dec 03, 2019 10:27 pm

Response from Porsche.


a) The manufacturer's specifications determined during the general certification procedure for the Macan S Diesel (EU6) still apply in relation to maximum engine power, fuel consumption and maximum torque. This was also confirmed by the TÜV (German Technical Inspectorate) and was an important prerequisite for approval by the German Federal Road Traffic Authority (KBA) as the responsible regulatory body. Furthermore, all other general certification-relevant emission values remain unchanged after implementing the measure.

b) To guarantee optimal emission levels for the vehicles at all times, the software parameters for Sport and Sport Plus mode have been updated. The further optimised gearshift characteristic in Sport and Sport Plus mode is only effective temporarily, depending on driving style. For example, your vehicle delivers the sporty performance you require, and are used to, during sporty driving. However, if there is no real dynamic driving requirement after activating Sport or Sport Plus mode, the gearshift characteristic reverts to normal mode. When the vehicle detects dynamic driving (e.g. sporty driving), however, the gearshift characteristic changes to Sport or Sport Plus mode - with lower gears and higher revs - to provide a sporty driving experience. For a steady driving style, the coasting function works at higher speeds.

c) The software update is mandatory for the officially ordered recall campaign.
Macan SD Vocano Grey. LEDs, Pano Roof, PSE, Sports Chrono, PASM, Sports Design Mirrors, 21" Sports Classics in Black, lots of other extras.
http://www.porsche-code.com/PJ2XHAR5 for the day that this works again.


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Paul
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Re: Re-progamming DME Control Unit

Post by Paul » Wed Dec 04, 2019 8:48 am

?? “Recall”......these are safety related campaigns and are done with the approval and mandate of the DVLA.

The DME reprog is a service action and is manufacturer (“officially ordered”) initiated.
(Splitting hairs I know, but the “mandatory” bit only affects you and your relationship with Porsche)
1st Sapphire Blue SD
viewtopic.php?f=23&t=1986

Current Sapphire GTS
viewtopic.php?f=23&t=4296


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nsm3
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Location: Worcs

Re: Re-progamming DME Control Unit

Post by nsm3 » Wed Dec 04, 2019 9:33 am

I was told it isn't mandatory and I could opt out, if required, which I have?
Current: Macan S Diesel
Previous: 981 Cayman S
Previous: 997.1 GT3
Previous: 997.1 C2S


gasgas1
Posts: 131
Joined: Thu Jul 19, 2018 8:35 am

Re: Re-progamming DME Control Unit

Post by gasgas1 » Wed Dec 04, 2019 9:55 am

Porsche's reply to tom 2000 sounds like they are trying to sell a red herring, (laying off issues with gear box not engine) as I cant see how a gear change time would effect emissions. after all we are taking about limiting soft wear when a car has an MOT. (stationary and low revs)
I would like to understand what emissions saving happen up to say 2500 rpm, as reply suggest savings only happen in sport and sport plus?


mark-yorkshire
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Re: Re-progamming DME Control Unit

Post by mark-yorkshire » Sat Dec 07, 2019 5:01 pm

At the risk of tempting fate it’s now 12 months since I had the DME software upgrade for my 2018 SD. Since the upgrade just had one DPF grey warning light in May that I had to clear with a spirited drive. Up until the upgrade was getting them every 3 weeks. Car is running really well and will be due it’s first service in February.
2018. Macan SD Volcano Grey
2015 . Macan SD . Agate grey. Sold at 23,000 miles.
2014. Macan SD . Jet black. Sold at 8,000 miles.
2012. 981 Boxster PDK . Agate grey. Sold
2010. 987.2 Cayman PDK. Aqua blue. Sold.


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SAC1
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Location: near BATH

Re: Re-progamming DME Control Unit

Post by SAC1 » Sat Dec 07, 2019 5:25 pm

7 months on since the DME sw upgrade and absolutely no issues. No drop in performance or fuel consumption either. In fact it's going better than ever. Never had a DPF grey warning. No AdBlue top up required over these last 7 months

I have always run my SD on BP Ultimate premium diesel. Has that made a difference. Or just that I never do short trips in it.

My dilema....what to order to replace it in the next month and so before it's 3 years old? Any date for the new model Macan GTS yet?
)


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