Dpf Regeneration Software Obd2
I bought my e90 325d 2007 with unnervingly clean exhaust tips and shortly after having DPF warning light come on. I drove 1,000km later still on and even after thrashing for miles on the motorway. Checking engine temp was above 75c etc etc – no joy. I did an extensive research, and finally enabled the car to perform a regen, with the help of Inpa K+DCAN USB cable. In fact I think Any BMW code scanner will do. If interested this one I bought: http://www.obdii365.com/wholesale/bmw-inpa-k-can-with-ft232rq-chip.html
Car won’t perform re-gen if
- Engine temperature does not reach over >75c, and stay over this for a period of time (20/30 mins)
- Some Fault codes are stored – Mainly and Ironicly the DPF fault code itself.
- Over 20 Litres of Fuel in tank (I half filled the tank for good measure)
Preparation
Firstly I installed inpa software on my laptop. The software is in a mini dvd that came with the package. I read fault codes and cleared them. Within a few miles drive I plugged in and checked again, they where back. I guessed these codes where stopping the car regenning and it was stuck in a loop.
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How to do the BMW PDF re-gen
– I engaged the engine temp in hidden OBC so i could see temp.
– Plugged in laptop to car (battery fully charged)
– Went for drive on M5.
– Engage Cruise Control – Adjust car to over 50mph so engine temp runs at over 75 – my temp was reading 76 to 79
– Every 10’seconds clear the fault codes or take a passenger and get them to keep hitting the clear button on your fault code scanner.
– Look at your OBC temp reading.
– After about 10 miles my temp started rising and peeked at 93c, this is DPF doing its thing.
– Rear view mirror = sooty clouds occupied by eggy smell later.
– Exhaust tips sooty.
I suspect the EGR thermostat was the initial culprit but once it throws the DPF warning fault codes keep the car stuck a loop. I noticed the car was storing the dpf code before it was reporting it on the dash when i was driving too. So the need to keep clearing codes obsessively when driving.
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VAG DPF community: https://www.reddit.com/user/applagapp
ATTENTION!!This app works only with VAG (Audi Volkswagen Seat Skoda) that are equipped with engines listed below; for diesel engines not listed is not guaranteed the full compatibility, so if you anyway buy the app, consider that some or all functions couldn't work correctly.
IMPORTANT!! Before buying this app I suggest to try the app 'VAG DPF Free' to check the correct functionality of your adapter and your Android because the free application shares the connection method and the data reading code so it's perfect to test if these important functions are working correctly.
Engines supported:
DETA (2.0 TDI 190CV)
CRBC (2.0TDI 150CV)
CFHD (2.0TDI 143CV)
CUNA (2.0TDI 184CV)
CFFB (2.0TDI 140CV)
CFWA (1.2TDI 75CV)
CLHA (1.6TDI 105CV)
CXXB (1.6TDI 110CV)
CAYC (1.6TDI 105CV)(partially on Passat 3C MY10)
CAHA (2.0TDI 170CV)(beta, requires verification)
Tested by users:
CFGB(*), CFGC, CJCA, CRMB, CUPA, CUSA, CXFA, CAYB, CAYD, CRLB, CUTA, CFHC, CAGA(*), CSHA, CJCD, DFSB, CLAB, DFLA, DCXA, CFCA, CGLC, CFJB, CFHA, CRUA, DDYA, CXHA, DFFA, CRKB, DCYA, DFCA, CUUB, CGLB, CUAA, CUSB, CAPA(*), DFGA, DFSF, DFHA, CNHA, DGTE(*), CCWA, DGDA, DLUB, CJCB
(*) = partial support or depending on SW version
IMPORTANT some of the engines above may be incompatible, it depends on the engine software version, so use the VAG DPF FREE app to check your engine before buy!!!!
Core functions:
- Display of 12 DPF filter parameters like: soot mass accumulation in the filter, regeneration duration, km traveled and time passed since last regeneration, EGR valve closing, exhaust gas temperatures of inlet and outlet of DPF (Attention: data shown may vary depending of the engine type due to the presence of the parameters into the engine ecu)
- Manual or automatic parameters update
- Display, for all the parameters, of the previous value and the difference between the actual and the previous value (only for automatic update delays different from 0 seconds)
- Ability to exclude one or more parameter to increase the reading speed
- Display of the filter filling percentage before reaching of the filling limit that starts the execution of a field regeneration (standard regeneration controlled by the engine ecu)
- Graphical display, using a progress bar, of the filling percentage value before starting a field regeneration or a service regeneration
- Graphical display of the filter status: red filter for the regeneration phase (passive, field or service) of grey filter with different back internal areas depending on the filling percentage value
- Display of extra data: adapter communication error counter, filter filling rating in µg/min, update time of all the 12 parameters, automatic update delay actually selected in options menu
- Notification bar icon to show an active connection and the auto-update process running
Some words about ELM327 adapters:
- OBDLink LX: recommended, expensive but fast and reliable (I used it for development of this app)
- Carista: recommended, affordable price but very reliable (I use it for debug and daily scans)
- China cloned adapter: not recommended, unreliable, you can randomly find decent adapters or fake adapters, you will have unpredictable results