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Old 03-22-2016, 03:06 AM   #1
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Default Guide for T1N & NCV3 Owners: iCarSoft MB II Diagnostic Tool

Buyer's Guide: iCarSoft MB II Diagnostic Tool

NOTE: The Autel MD802 MaxiDiag Elite Full Systems is somewhat more expensive but supports reading of multiple ECUs in many vehicles. It has very similar functionality and is worth consideration. Be aware that a "Four Systems" version looks identical to the "Full Systems" aka "All Systems" version, but provides support for far fewer systems.

Quick Summary
  • Reads and clears diagnostic codes like the DAD, but also shows OBD codes (the only ones the emissions testers care about)
  • Provides a lot more live data than the DAD
  • Great OBD-II reader; indicates vehicle test readiness info and graphs live data
  • Does not provide descriptions for some codes that the DAD provides
  • Unlike DAD, does not activate systems or run diagnostic functions (contrary to one seller's description, it DOES NOT cycle ABS solenoids, an important feature for brake bleeding.)

Skip ahead...
If you are already aware of this device, skip to the following posts for more information.
A Caution on Clearing Codes

(This applies to any code reader.) After an emissions repair is made, consider allowing the vehicle to self-extinguish the Check Engine Light and clear codes itself. Clearing the codes with a code reader can cause readiness monitors to reset, requiring substantial driving time before emissions testing can be conducted. Source: LindenEngineering

The following nine posts describe the iCarSoft diagnostic tool from the perspective of someone who wanted this information after first learning of this device.

As I explored this tool while creating this guide, I found more and more interesting sensors and data, much more than I’d seen when using the DAD. If all owners had one of these, or something equivalent, it would enhance our diagnostic capabilities within the forum. Thus the goal of these posts is to provide information to help with purchase decisions.

This device gets some really cool information from the diagnostic port. With the growth of Arduino and the ease of connecting to a vehicle, a reader in the right owner's hands can lead to some really interesting devices for the rest of us. Did you know that the temperature knob is internally reported in degrees of temperature? That you can get oil level and transmission temperature? Fuel level in liters? There are interesting possibilities here.

Big Thanks to rig999 for posting his video informing us of the iCarSoft diagnostic tool in this great thread, to autostaretx for finding the company’s website, to glvu for the link to the Ebay seller, to BenJohnson for adding valuable screenshots, and to srmpf for important information on different versions. This first post condenses a lot of the information found in the original thread.

Based on srmpf's post, the are questions about different versions and upgrading. However, it is possible to make a copy of the original microSD card and run off that copy. If an upgrade becomes available, it would be best to upgrade the copy rather than the original, so that the older version remains available in case the newer version breaks an important feature.

What it is
This is a standalone diagnostic code reader. It’s a superior OBD-II code reader, as described in Part 3, below. But even better, it can address just about all of the microprocessors on multiple K-lines (data lines) on the T1N’s OBD-II connector, which most code readers CANNOT do. It’s the DAD for non-mechanics who no longer can get a DAD.

Not pictured: a USB microSD card reader is included.

How to get it
It is available from multiple sellers on Ebay. Please see this thread regarding a discount.

What you get
The tool comes in a zippered case with an OBD-II cable and a USB cable for programming. There’s a manual, but device use is intuitive.

Making a copy of the original microSD card, and placing an upgrade on a new card, may allow someone to keep old versions if newer ones break functionality.



(If you have an alternative you'd like me to review, please send me a private message.)

OBD-II Code Readers

Most OBD-II code readers read only the codes that the manufacturer supplies on OBD-II connector Pin 7 to comply with emissions regulations requiring access to diagnostic data for emissions testing. These readers lack access to any of the other non-emissions diagnostic lines provided by Mercedes for technicians on the same connector. They have no access to many Mercedes-specific data streams both on pin 7 and through other pins to other systems, and are incapable of initiating diagnostic functions that some Sprinter-specific devices can perform, such as compression tests or anti-lock brake solenoid activation for testing and brake bleeding.

ScanGauge II and similar dash mounted displays

The ScanGauge II is a dashboard-mounted display providing information about engine load, mileage, and other parameters. It is particularly useful for drivers who wish for more information to help them adjust their driving habits to increase mileage or reduce stress on engine components during high-demand operations such as towing or climbing hills. It is mentioned here because it does this by reading data from the OBD-II port, without the benefit of access to Sprinter-specific information. It's chief differences from the other devices is that it's intended to be used while driving, while the others are not. While it can read codes, it is not a substitute for a full reader as it only goes as far as the OBD-II readers mentioned above.

Autel MaxiDiag MD802 Elite - All Systems

List of systems Autel MaxiDiag is advertised to be able to access

Nobody has done a side-by-side comparison of the iCarSoft and the Autel. But this thread suggests that the Autel full systems version might be at least as capable as the iCarSoft. There is a video by MercedesGenIn showing it in action.) Available on EBay, Amazon. Additionally, the Autel has some advantages over the iCarSoft unit:
  • supports reading multiple ECUs for many makes and models of vehicles, not just Sprinter, Mercedes and Smart.
  • Autel supports graphing of live Sprinter data. The iCarsoft graphing is limited to OBD-II data.
  • screenshots suggest that error code descriptions may be somewhat more verbose.

The biggest drawback of the Autel system is a lack of information - nobody has done a comprehensive review of what it is capable of. (It needs a write-up like this one.)

Avoid the Autel 4-systems version is very similar to the full systems version in look but lacks much of the functionality of the full systems version.

The Autel warrants serious consideration because it provides advanced diagnostics for many more vehicles. This is a major consideration unless you only own Sprinters.


The DAD is a highly prized device that made advanced T1N diagnostics available at a humanly-accessible price but is now made of unobtainum. If you compare code reading to going across the country, an ordinary OBD-II reader is like taking a bicycle that's only allowed on one road, the DAD is like scoring a seat on a sold-out commercial flight because of a last-minute cancellation, and the DRB-III (a Dodge tool) is like taking a fighter jet. Unfortunately, the DAD's original availability was very limited, and now it can only be obtained when the occasional owner trades in his van and sells his DAD.

This device fills in much of the huge gap between regular OBD-II readers and the DAD. It is better than the DAD in some respects, but does not replace it. If you already own a DAD, you'll find they complement each other nicely. You might use this tool more.

Like the DAD, it can read and clear codes and provide data streams with ease. DAD users will find this much faster, easier and more convenient in those respects. Its OBD-II personality, separate from its Sprinter-specific personality, provides OBD-II code and readiness information, which can help you prepare for emissions tests, something the DAD does not provide. You cannot activate diagnostic systems in either the OBD-II or Sprinter-specific personalities, however, making the DAD still a very valuable tool.

One drawback is that it doesn't have descriptions for all the codes which the DAD and Eric Ord's book provide. If you have neither of these, you'll be looking to the forum for some code descriptions.

To non-mechanics, this tool provides important information that will allow other forum users to help you out. With the forum's help, it can make you more informed when you approach a mechanic. I own a DAD, and this will be sitting happily beside it (and will probably get used more).

  • At first blush, appears to provide a lot more live Sprinter-specific data than the DAD does
  • Provides OBD-II emission test info, useful for preparing for an emissions test, not found on the DAD
  • Handheld unit is much more convenient than a laptop, no USB issues
  • Doesn’t suffer from communication errors/loss
  • Quickly walks through system and hides systems not supported by the vehicle
  • Communication with systems is much faster
  • Reads and clears codes very quickly
  • For those with factory backup sensors, it can read, clear, and provide data for those (not available in the DAD)
  • You cannot activate any diagnostic tools that the DAD provides (ABS for brake bleeding, compression and smooth running tests, EGR activation, etc)
  • Does not provide descriptions for some codes. Example: AC/heater module codes.
  • Unlike the DAD, you cannot save the codes to a file.
  • Cannot read the Heater Booster codes (but due to a bug, neither can the DAD)
  • Possibly fewer code descriptions returned by the device? But Eric Ord’s book and the forums can provide some of these.

Mercedes Benz STAR System, (Dodge) DRB-III, and similar high-end dealer-level tools

At the high end of the diagnostic device spectrum are the devices that dealers use for diagnosis and testing. These devices stand out in their ability to command attached ECUs to perform diagnostic functions and perform programming which normally requires a security handshake between a tester and an ECU. Even at this level, these devices do not provide access to everything: they provide what will be needed in most dealer-level service settings but exclude parameters that, for example, are part of the ECU's programming but normally would not be altered in any service setting. It is possible that the STAR system could be extended by someone like a Mercedes corporate technical representative to provide access to additional settings should it becomes necessary to do so (for example, in the case of a software bug like the failure of some Dodge T1N vans to complete the emissions EGR readiness process because of improperly set initial values required for the process to begin.

iCarSoft differences between T1N and NCV3
The iCarSoft device can be used on both T1N and NCV3 Sprinters. The latest model year Sprinter that is supported is ____. (Please PM me if you have tried the iCarSoft on a new model year Sprinter.) The device supports different systems that exist in the different model years.

Use on vehicles other than Sprinter

Use on other Benz vehicles

The device lists a number of Benz and SMART vehicles that it also supports, but this is beyond the scope of this post.

Use of OBD-II functionality on non-Sprinter vehicles

While this makes a great OBD-II reader for Sprinters, and contains an OBD-II code library for many vehicles, for some vehicles it will provide the functionality described in Part 3, below, but for others it will not.

I tried this reader on a 2000 Volvo S70. On this car, a standard OBD-II reader can read and clear codes and display live data. However, the iCarSoft reader can only report codes and reset them. It will not read data streams. In other words, it did less than a generic Bluetooth OBD-II reader and the popular Torque Android app for this car.

However, on a 2004 Honda Insight, the OBD-II functions that were supported by the vehicle, including readiness and data streams similar to what is described in Part 3, were accessible from the reader.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 03:06 AM   #2
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Default Part 2: Getting Started

Although most of the user interface is very intuitive, when you start the app, you are presented some choices that could use a little explaining:
  • Software versions
  • Vehicle versions
  • Sprinter versions
  • Supported systems

Software Versions
After booting, the device will give you an option of several versions of software. It appears that several versions may be available for use at once. For example, some units have arrived from the eBay seller with "versions" 11.11 and 11.20 installed:

"Versions" presented when you begin a session

Functionality found in one "version" might not be available in a later version.
These versions include:

  • Tests only a few modules
  • Successfully reads ABS codes
  • Has data streams for the instrument cluster and ABS
  • Tests most modules
  • Unlike 11.11, cannot read ABS codes
  • Unlike 11.11, does not have data streams for the instrument cluster and ABS
*srmpf posted that he has 11.21/11.40 and ABS code reading is not working on either.

Vehicle Versions
You will notice in the menus that you can choose Mercedes vehicles other than Sprinters. If you select one of these vehicles while plugged into your Sprinter and choose "AUTOMATIC" (see Supported Systems, below), you will find systems that are common to that vehicle and the Sprinter.

Explore away, as you may find some systems or data streams not present, or presented differently, in the Sprinter menus and systems. Generally, though, support for a common system is less or even broken looking at a Sprinter system with the scanner expecting a different vehicle's personality, and any data read this way should initially be considered suspect.

srmpf has gone to the trouble of plugging his iCarSoft into his Sprinter, selecting different vehicles, and creating a table of which systems are reported as present. Thank you!

Sprinter Versions
Once you select the software version, you need to select your Sprinter. A number of versions of Sprinters are listed as numbers. For T1N owners, the first line is what you want to choose. You can choose the other models, but only systems that are common to multiple Sprinter versions will be found when you scan for them (and there may be other differences that could lead to wonky results.)

Sprinter versions. Select the first line.

Supported Systems
This tool supports many vehicle systems, some of which might not be present in your van. Choose “Automatic”, which scans for, then shows a menu containing only the systems you actually have. NOTE: Due to a bug, the Central Locking module isn't found on some T1Ns during "Automatic" scan, but is accessible from "Manual" (if the module itself is responsive). (Thanks, Missouri Blue!)

Select 'Automatic' to scan for available systems, 'Manual' to see all systems.

If you choose Manual, it won’t scan, and you will see all of the systems that the scanner supports for the selected line(s) of Sprinter. If you are in a big rush, and know which system you want to scan, you might save a few seconds by selecting “Manual” and skipping the scan.

The 'Automatic' scan in progress. If you already know what system you are interested in, using 'Manual' will skip the scan and save you a few seconds.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 03:07 AM   #3
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Default Part 3: OBD-II Functions

The device's OBD-II personality is entered when you select "OBD-II" in the very first screen after booting. These features (graphing, readiness, etc) are not found in the Sprinter-specific personality.

OBD-II functionality deserves its own section when examining this device. While the Sprinter-specific functionality is maintenance-oriented, the OBD-II section is emissions-testing oriented. The difference is that you’ll use the OBD-II section to ensure that no emissions codes are present and the Sprinter is ready for testing, and use the Sprinter-specific information to identify and fix any other problems - emissions-related or not.

The OBD-II function is really handy for determining which codes to address to pass emissions, and which to address later.

Code reading and clearing is pretty straightforward, so I won’t cover it.

Protocol Detection
A number of different protocols are permitted for OBD-II. When you enter this mode (with the engine on, but not running) the code reader tries to establish communication, working its way through the different possible modes until it finds one that works. In the case of the Sprinter, it is ISO 14230, "KWP", also known as KWP2000 (or Key Word Protocol). -4 refers to the fourth section of the ISO 14230 specification, which deals with the emissions application. The earlier sections describe the lower level hardware, handshaking and communication protocols.


Live Data

This unit does a great job presenting live data, including being able to chart up to four data sources over time, with automatic scaling.

Here we are looking at load, coolant temperature, RPM, and fuel rail pressure. In the first photo, the engine is idling the entire time; in the second, my foot is on the brake, the van is in park, and I’m slowing depressing the accelerator from idle to 2500 RPM over about a minute, stopping for about five seconds each time I increase RPM a little. You can see how the display autoscales and you can find the minimum and maximum values.

Graphing is only available in the OBD-II personality. The Sprinter-specific personality only presents live data as changing values.

This graph looks noisy because RPM stayed within 668 and 690 RPM.

As RPM is increased with the van in park and the foot on the brake, notice the load rise, the fuel rail pressure (FRP) reach 20000+ PSI, and the coolant temperature (ECT) rise lagging the throttle activity.

Unfortunately, graphing is not available in the Sprinter-specific live data.


Regarding readiness
, many code readers will let you clear codes, but if you clear them and then go immediately to get tested, you will likely fail because not enough time or road use has passed since the code was cleared. Not all code readers provide readiness info. The iCarSoft unit DOES provide this information.

In a recent forum thread, it was noted that a number of California T1N vehicles were failing emissions because not all of the readiness indicators were returning “ready”. The iCarSoft reader has several screen which show you which readiness indicators are supported by the vehicle, and what their state is. In my Sprinter, only three of the ten readiness indicators are implemented, and all three are ready, including the EGR, as shown below.

Showing the oxygen sensor readiness monitor, which the Sprinter does not support, and the EGR monitor, which is supported and is ready on this Sprinter.

Sprinter-specific codes vs OBD-II codes

The Sprinter-specific diagnostic code reader functionality may return codes for a number of subsystems, while the OBD-II functionality shows no codes and a Sprinter ready for testing. This is simply because not all codes are emissions-related.

The presence of a comprehensive OBD-II specific section is something that the DAD does not provide, lets you prioritize your work when you are facing an emissions test, and gives you readiness information so you can bring the vehicle to a test station and not get kicked out for not having enough road time after a repair.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 03:08 AM   #4
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Default Part 4: Sprinter-Specific Functions, Engine

In the next few parts are found functions supported by a typical 2006 diesel Sprinter and visible to the iCarSoft diagnostic tool. Just because you see or don’t see something here doesn’t mean it’s available or not available for your van. For example, the tested van has a rear bumper with proximity sensors, and doesn’t have an auxiliary heater.

Please thank Travelbuds for creating a PDF listing the available engine functions for a 2005 Sprinter!

Many sensors appear in multiple menus. In some places the data that’s provided is listed, and in others, just a summary is provided.

In some modes, multiple dash lights come on, and the shift lock may be engaged to prevent you from shifting out of park.

CDI – Common Rail Diesel Injection
The main ECU. Read using version 11.20.
  • Engine speed
  • Air mass
  • Intake air temperature
  • Boost air temperature
  • Coolant temperature
  • Fuel temperature
  • Engine oil temperature
  • Oil level (depth in imperial or metric units!)
  • Engine oil quality (no units)
  • Atmospheric pressure
  • Intake pressure
  • Boost pressure
  • Rail pressure
  • Gear engaged
  • Fuel tank level (liters)
  • Accelerator pedal percentage (two)
  • Brake switch open
  • Stop light switch open
  • Stop lamp switch
  • Engine RPM
  • Coolant temperature
  • Fuel management valve duty cycle (%)
  • Fuel rail pressure control valve on/off duty cycle (%)
  • EGR valve on/off ratio (%)
  • Charge pressure positioner on/off ratio (%)
  • Engine RPM
  • Coolant temperature
  • Atmospheric pressure
  • Air mass
  • EGR valve on/off ratio (%)
Charge pressure control:
  • Engine RPM
  • Atmospheric pressure
  • Intake pressure
  • Boost pressure
  • Intake air temperature
  • Charge pressure positioner on/off ratio (%)
Fuel Injection
  • Engine RPM
  • Boost pressure
  • Air mass
  • Actuation period, in microseconds, of pre-injection, main injection, and post injection (3 values)
(Note: If you look at the injector signal on an oscilloscope, you can see one or more distinct pulses depending on how much fuel is being delivered.)
Cruise Control
  • Switch positions. These did not seem to do anything on my T1N, but I was not driving at the time.
Working Speed Control
  • ‘ADR’ switch
  • Max working speed
  • Min working speed
(Not sure what this is. High idle switch??? Values are “NOT OPERATED”, 2000 rpm, and 1999 rpm respectively on my van.)
Drive authorization
  • Not sure what this is. Will leave this as an exercise for others!
CAN bus communication
  • Status of CAN bus comm with other modules
Syncronization of camshaft and crankshaft
  • Status (synchronized, in my van)
  • Engine RPM
CR – Common Rail
No data streams for version 11.20.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 03:09 AM   #5
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Default Part 5: Sprinter-Specific Functions, Transmission

Much information is provided about the transmission and shift controller. Hopefully, we’ll see more posts on finding solutions to transmission problems based on information returned from the systems below.

Please thank Travelbuds for creating a PDF listing the available transmission functions for a 2005 Sprinter!

EWM – Electronic Selector Lever Module
The shifter assembly. From version 11.20:
  • Selector position (ie, P, N, D, etc)
  • Supply voltage (terminal 15, which IIRC is ignition)
  • Jogging pushbutton+, - (shows when left/right jog is exercised)
  • Reversing lamp status
  • Status of locking solenoid
  • Stop lamp switch
  • Filtered wheel speed (RPM)
  • Right and left wheel speeds
EGS – Electronic Transmission Control
Automatic transmission.

Control unit:
  • Battery voltage
  • Emergency running status (?)
  • Accelerator pedal positions
  • Kickdown
Gears, starter lockout contact:
  • Selected gear by means of selector lever (eg, P, N, R...)
  • Actual gear
  • Target gear
  • Transmission oil temp in R or D
  • Voltage of transmission oil temperature sensor
  • Starter enable
  • Starter lockout contact positions
Tranmission, engine:
  • Supply voltage sensors (?)
  • RPM sensors 2, 3
  • Transmission input, output speeds
  • Actual gear
  • Transmission oil temp in R or D
  • Engine speed
  • Engine torque, nm (!)
  • Converted engine torque (nm)
Shift valves:
  • Shows the supply voltage and solenoid valve status (active/not active)
Control valves:
  • Shows control valve pressures and the currents of the valve pressure sensors
Lockup clutch, wheels:
  • Shows the lockup valve status, the speed difference of the lockup clutch in RPM, and the rear wheel speeds.
SSG – Sprintshift Transmission
No data streams for version 11.20.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 03:09 AM   #6
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Default Part 6: Sprinter-Specific Functions, Climate Control

The climate control functions are very helpful in providing temperature, pressure, switch status, and compressor function of the climate control system. This will provide additional information that should enable more owners to make their own repairs of the air conditioning/heater control module.

Please thank Travelbuds for creating a PDF listing the available climate control functions for a 2005 Sprinter!

Note about the Heater Booster

This device is unable to access the Heater Booster for a 2006 Sprinter. It is actually capable of accessing some data streams from a heater booster, but the heater booster's K-line address is different than the address that the iCarSoft uses when trying to communicate with it. Perhaps a non-NAFTA heater booster, or one with the seven-day timer, uses this address? The DAD also cannot read the heater booster codes. It tries, and fails because it waits too long after establishing communication before requesting diagnostic codes.

HZR Heating Control

The air conditioning and heater control panel. From version 11.20.

  • Ambient temperature
  • Interior temperature
  • Evaporator temperature
  • Air outlet temperature
  • Coolant temperature
  • Interior temperature controller
  • Air conditioning
  • Heater booster
  • Recirculated air
  • Residual heat (REST)
  • Heater booster (active / not active)
  • Stationary heater (?)
  • Blower stage 1
  • Circulation pump
  • Recirculated air mode (yes/no)
  • Water cycle valve (%)
  • Lighting at pushbutton control module (eg DIMMED)
  • Intensity control of instrument lighting (%)
  • Voltage terminal 15
  • Engine RPM
Air Conditioning:
  • Compressor clutch on/off, shut-off due to acceleration, refrigerant pressure, aux fan
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 03:10 AM   #7
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Default Part 7: Sprinter-Specific Functions, Other

This post lists the other options available in the Sprinter section. Skip to the bottom for steering angle calibration and oil lamp extinguishing.

Please thank Travelbuds for creating a PDF listing the other Sprinter functions for a 2005 Sprinter!

ABS – Anti-lock Braking System

Anti-lock brakes.
NOTE: Version 11.20 is unable to read diagnostic codes and provides no live data, but version 11.11 is able to.
Version 11.11
  • Individual wheel speeds
  • Brake, parking and stop lamp switch info
  • Steering angle info.
ESP – Electronic Stability Program
Wheel sensors, brakes, and anti-slip controls.
  • Wheel speeds
  • Brake pressure
  • Steering angle
  • Stop and parking break switches
KI – Instrument Cluster
Systems related to the instrument cluster.
NOTE: Version 11.20 provides no live data.
Version 11.11 provides the following data:
  • Vehicle speed, fuel level, brake wear indicators, coolant level warning (on/off),
  • Pushbuttons:
    • Indicates state of the instrument cluster buttons (pressed or not pressed)
    • Driver/passenger door – is one or both open (not separate, not sliding door)
    • Parking brake
  • Status of pretty much all the dash status lamps, except high beams/turn signals

  • Dash brightness, %; terminal 61/D+ (?)
WSP – Immobilizer
Keyless entry and locking system.

Version 11.20:
  • Provides ways to see if a RF keyfobs are working. You can press key buttons and see whether or not they are received.
  • You can apparently have up to eight keys.
  • More fun stuff, like “activation status of transmitter keys” for speculation by forum members.
Version 11.11:
  • includes key transponder info.
AB – Airbag
  • No live data or status provided.
RFH – Backup Assist
This is for vehicles equipped with a rear bumper with proximity sensors.
  • Provides distance information for each of the four ultrasonic sensors.


Steering angle calibration, oil lamp extinquising
Jamescell reports that these capabilities are not found in the Sprinter section but in the Benz section! Here is his report:

To access them you go into the Benz menu, select the function you would like to access, it will ask car or van, obviously van is what you want. In the oil lamp and angle calibration there is an option to select sprinter II, from there it's very simple.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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Old 03-22-2016, 04:28 PM   #8
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Default Re: Guide for T1N Owners: iCarSoft MB II Diagnostic Tool

Nice work seans! How did you get the graphs and readiness reports? I did not see them.

I am also interested to hear about your upgrade to see if we can have all three versions (e.g. and keep ABS).
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Old 03-22-2016, 04:29 PM   #9
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Default Part 8: Upgrading

The iCarSoft MB II can be upgraded, but READ ON before doing so.

According to the most recently downloaded updater obtained from icarsoft.us, the current Sprinter version is 11.20. Updating requires a Windows machine.


The iCarSoft device comes with a microSD card installed, and a USB to microSD reader.

Location of upgrade password

When upgrading, the upgrade program will ask for the serial number and password of the device. Both of these can be found by starting the device, going to the Help menu, and selecting Tool Information. The serial number should be the same as that on the back of the unit, and the password is the "Register Code" on that screen.

Upgrade issues

New versions may break functionality that works in older versions. For example, Sprinter version 11.11 reads ABS codes; 11.20 cannot. Version 11.11 provides data streams for the instrument cluster and ABS; 11.20 does not. Fortunately these two versions were provided from the supplier in the unit side by side.

It's possible that you can back up your card and test an upgrade on the backup rather than the original card, so as not to lose the old version(s), but nobody here has actually tested this.

Backup process

The microSD card's contents can be backed up to another microSD card, but not all cards are compatible. The best way to find out is to simply copy the contents to the new card, put it in, and see if it boots. This worked with an 8 GB card but not a 64 GB card.
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

Last edited by seans; 03-23-2016 at 10:39 AM.
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Old 03-22-2016, 04:45 PM   #10
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Default Part 9: Known Issues


ISSUE: Unable to clear ABS codes.
WORKAROUND: Select version 11.11 instead of 11.20 back in the versions screen. While this version supports far fewer modules, it does support ABS code clearing.

ISSUE: Unable to read streams for ABS and Instrument Cluster. Version 11.20 does not provide data streams for the ABS or Instrument Cluster modules.
WORKAROUND: Select version 11.11 instead of 11.20 for access to the data streams.

ISSUE: Central Locking not found. Missouri Blue discovered that the iCarSoft will not report the presence of the Central Locking module when using "Automatic" to scan for available systems.
WORKAROUND: Instead of choosing "Automatic" in the "Automatic/Manual" screen, choose "Manual", find the "Central Locking" module in the list, and attempt to read it that way.

ISSUE: Unable to find oil change light reset menu.
WORKAROUND: The top level menu of the "BENZ" section (as opposed to the "Sprinter", "Smart" and "OBD-II" sections) provides a few extra features, like this, not found in the "Sprinter" section.

ISSUE: Graphing is available for OBD-II data streams but not for Sprinter data streams.
STATUS: I contacted iCarSoft in March and they said they would forward this info to their engineer.

ISSUE: Unable to read codes from Heater Booster.
STATUS: This is also a problem with the DAD, which handles communication with the heater booster module improperly. Not sure yet why the iCarSoft cannot read the heater booster.

ISSUE: "Diagnostics check is not legitimate, please contact your local dealer." Reported by Throttlejockey.
SOLUTION: Occurs if you are not in the correct section for your vehicle. Thanks, Vic!
2006 Dodge T1N 158" Tall Roof Passenger Wagon w/Rear AC

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code reader, diagnostics, obd, scan tool

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