Troubleshooting

We treat the problems with the Activating the I-BUS app by cause and sequence.
The I-BUS app checks in the following order:

1. Connection to the Resler module/Resler interface at the USB port
2. Connection to the I-BUS
3. Internet connection
4. VIN from vehicle

According to this sequence, the failure should be located and fixed.

Basic requirements

In order to get to the cause of any problems that may occur with the Resler module (or older Resler interface) and/or the I-BUS app, we require a few things in advance.

1. There is an original, orange Resler module (or black Resler interface) present
2. The module/interface has been correctly connected to the radio adapterAND to a USB port
   1. Installation instructions for Resler module and Resler interface
3. To use the I-BUS App, at least an OBC licence has been ordered from the I-BUS App Shop (not necessary if the module is to be used without the I-BUS App).
4. I-BUS app has been installed on a suitable Android device and is up to date (not necessary if the module is to be used without the I-BUS app).
   1. Download I-BUS app

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  Resler Interface (Schwarz) and Resler Modul (Orange)

No Resler interface/resler module found

If the app cannot establish a connection to the Resler module/resler interface, this is due to the following reasons Problem initially only at the USB port.
The following things need to be checked:

1. Is the Resler Module/Resler Interface selected as "USB Interface" in the general app settings and is the USB connection active? (see picture below)
2. Which devices are connected to the USB ports of the radio?
   1. Please try another USB port first and disconnect other USB devices if necessary.
   2. The power supply of the USB ports is limited, known "power eaters" are: 3G/4G sticks, DAB+ sticks, CarPlay adapter with USB port for the smartphone, ...
   3. The USB ports are NOT intended and suitable for charging smartphones!
      
      
3. Does a USB data stick work on the USB port?
4. Does the problem only occur when it is particularly warm or cold?
5. Are the cables, plugs and PINs undamaged?
6. Is a TPMS (tire pressure display), iDrive controller (Arduino) or similar USB device used in addition to the Resler Interface/Resler Module?
   1. I-BUS App settings => general settings => open USB interface. Here the detected USB devices are shown, from I-BUS App v2.2.0.3 a numbered port is shown behind the device.
   2. optimally the Resler Interface/Resler Module is connected to the green USB (optional red USB) - Port 1 and the TPMS is connected to the yellow USB - Port 3 (from PQS-/IQ-series all USB ports are black and are called "Port 1")
   3. Close "USB Interface"
   4. Disconnect TPMS (or other detected device) from USB
   5. Open "USB Interface" again, the TPMS (or other detected device) should no longer be displayed.
      1. for the black Resler interface select "R.Resler IBUS Interface V6b Port: 1
      2. for the orange Resler module "Resler Module Port: 1" (or "USB Serial 2.0 Port: 1") select
   6. Close "USB Interface"
   7. Reconnect TPMS (yellow USB)
   8. Open "USB Interface" again
   9. the selected interface/module should still be set and a "new" USB device (e.g. TPMS) should be listed with "Port 3" but not show selected
   10. ready
7. if the orange Resler module is used, please check the firmware in the settings of the I-BUS App => "Resler module settings" ==> Resler module status".
   1. If an error appears here, please flash Resler Module manually

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  general App settings

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  USB Interface: Selection with port

Access permission for Resler Module / Resler Interface

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  Grant access permission

The Resler module/interface requires USB permission to communicate via the car bus.
This message appears as soon as the app has recognized the module/interface. If you have missed this, it helps to disconnect the module/interface and reconnect it.
The checkbox must be checked so that the app can automatically grant permission.
With some Android versions, this message appears every time the radio is restarted, but not if the radio only wakes up from standby.

If in the "USB Interface" list in the I-BUS App NO interface/module is shown

1. Please plug only the interface/module to a Windows PC (ideally Win 7 or Win 10).
2. The PC should " chuckle " and find a new device, if necessary install a driver for it by itself.
3. The interface/module is then listed either as "unknown device" or as "COM/LPT" device in the device manager (press Windows key + X). If more than one device is listed here: the device appears/disappears with connect/disconnect, so you can identify it.

NOTE: Since neither interface nor module is a storage device, it also does NOT appear in file manager. It can only be seen in the device manager.
Ideally you take a picture of this - we will ask for it.
If no device appears in the device manager, there is probably a defect. In this case, please contact the support via mail and ask for replacement.

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  Resler Modul as"USB-SERIAL CH340" in device manager

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  Resler Interface as "CP210x USB to UART Bridge" in device manager

No answer from control unit

If the app reports that it does not receive a response from the controller, this has two possible causes:

1. there is an error in the connection (usually the I-BUS line)
   1. Please connection according to installation instructions for Resler module and Resler interface check. Pay particular attention to the fact that:
      1. attention was paid to the correct PIN numbers and NOT to the cable colors
      2. a proper contact has been made (no power thieves, luster terminals, etc.)
         
         
2. there is a problem with the firmware of the orange Resler module:
   1. please flash Resler Module manually
      

No or restricted function of the Resler module (also in stand-alone mode)

1. Resler Module Mode check/set correctly in the I-BUS App / Resler Module Configurator
   

No access to the server

If the I-BUS app does not have access to the server, please check:

1. Is the I-BUS App up to date: 2.2.1.4 ?(state 2022-09-09)
   1. If necessary, download and install I-BUS app manually: www.ibus-app.de/app
      
      
2. Check the time setting in the Android setup. Only the time zone has to be set manually. The time itself is set automatically. Please do not set the time manually!
   
   
3. Please try another Internet access/hotspot or disconnect and reconnect the WIFI.
   

VIN not online

If control units in the vehicle have been replaced and not adapted to the vehicle (VIN, mileage and coding), a VIN that deviates from the vehicle or the registration may be read out.
A message appears that the VIN is not online and the read VIN is displayed.

We always expect that the module/interface and the app is made in a vehicle without manipulation of control units and with clean coding. The vehicle owner only is liable for this.

If it is insisted to keep an unclean coded vehicle, the VIN of the purchased license can be found on the server (and only there!) through the Purchase of a VIN swap be adapted.
The vehicle owner is liable for errors in the behavior of the vehicle when using non-adapted control units.

strange behavior of the car

The orange Resler Mdule is pre-configured ex works for the BMW E39. Since the communication may differ between the different car series, it is essential that the module (and also the I-BUS app) is configured to the vehicle in which it is used.
This is especially important if the Resler module is used WITHOUT I-BUS App. Here please set the series in the Resler Modul Configurator.

Similarly, the car series of the I-BUS app can be set in its "general settings" => "Series". And also in the Resler module you can adjust the series via the app in the settings => "Resler module settings" => "car series".
If the app detects a discrepancy between the car series set in the I-BUS app and the Resler Module, a corresponding message appears.

Speedometer goes crazy/no turn signal display in speedometer

With older speedometers, it is possible that the speedometer with the I-BUS app shows a misbehavior, such as the lack of display of the turn signals.

This can be solved by deactivating the four IKE queries in the app settings. The mileage etc. is still displayed afterwards, but the app waits until the value is sent and does not actively query it.
After changing the settings, the battery must be disconnected from the vehicle and reconnected after a short pause. (with the E53 it is enough to remove the fuse of the speedometer briefly)
After that, everything should work again as usual.

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values are missing

If values are missing in the app, first note the point Functional limitations according to year of manufacture/equipment/model.

Furthermore, you can find more references in oil temperature, TÖNS, missing BC values, speedometer goes crazy .

Also important is the correct setting for BC calculation and MID emulation

Orange Resler Module: no Coming/Leaving Home light // no module functions

If the orange Resler module is installed, please check:

1. Are light sequences set for Coming/Leaving Home?
   1. Therefore go to the settings of the I-BUS app => Resler module settings ==> Resler module status ==> long tap on CHLH. Now for CH and LH info should appear in coded representation with info to the runtime. If not, no light sequences are set.
   2. Create ligght sequences with the Resler Module Configurator on a computer or with the light control in I-BUS App
      
      
2. Whichstart conditions and additional options are set for CH/LH?
   
   
3. Was the Module mode set right?

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  CHLH light sequences

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  settings for coming/leaving home

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  start conditions CHLH

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  Module mode

create and send app log file

If all the aforementioned points fail to remedy the situation, a record of what happened on the radio and the app can provide clarification - a so-called "app log".

The logs start automatically with I-BUS app start and end when the app crashes or the app is terminated.
The file name of the app always refers to the start time of the log.
In order not to fill the memory unnecessarily, logs are deleted after 7 days.

1. Open the "About" menu by tapping on the three dots at the top right, or in the menu on the left.
2. Tap on "Send log
3. select the log to be sent
   1. with long taps on the file names several logs can be selected and deselected
   2. to send, briefly tap on a file name
4. enter name and sender mail in the send dialog (so that we can reply to the log)
5. additionally a description of the problem HAVE to be entered
6. Send log
7. Wait until the log is sent. Depending on the Internet connection and the size of the log files, this may take some time.

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  "About" menu

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  list of all log files

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  Send dialog

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  Send log

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  Log sent successfully

NOTE: This function should only be used when PROBLEMS occur. Please do not spam us with nonsensical logs or "test logs"! ;o)
Thanks

Optionally, the logs may be sent without the app using a mail app or copied to a data carrier and sent on the PC. You will find the logs in the following path:
../emulated0/Android/data/com.e39.ak.e39ibus.app/files/logs

Create PC log

In addition, there is the option to connect the module/interface with the USB port to a Windows PC for logging.
This may be particularly necessary if you use the module without I-BUS app or there are problems with the coming/leaving home function (log would not be possible here with the app, because the radio and thus the app are not yet running).
If you have any questions about this topic, please contact us by mail: info@ibus-app.de