Installation Guide
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IOX-UREADER Installation Guide
Installation Guide
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Learn how to install the IOX-UREADER to read and download real-time data from digital tachographs. Access installation instructions for the IOX-UREADER kit, CAN bus clamps, Cold Chain IP boxes, and fuel level sensors.
Installation Guide
July 2024
This document is the IOX-UREADER installation guide. This document provides technical information, installation instructions, and the procedure to locate a vehicle's CAN bus.
! IMPORTANT: If an IOX-UREADER is uninstalled from a vehicle and then installed in a new one, note that it is mandatory to contact the Support team and have its Validation Date removed so the validation process of the new installation can be performed again by the Device Installation Wizard (DIW) tool.
IOX-UREADER allows the GO™ device to read and download real-time data from digital tachographs. This data can then be viewed and analyzed in the Geotab Tachograph Module for the MyGeotab™ platform.
! IMPORTANT: IOX-UREADER is compatible with all tachograph brands. However, the tachograph must support remote download (RDL) functionality. For further information, refer to the Remote Download (RDL) Capability section.
✱ NOTE: To ensure the proper communication with the device, it is strongly recommended to ensure the GO device has been assigned to the customer’s database prior to the installation.
Before installing your device, write down the identification data. You will need the following data to request support or to activate the device:
Then, ensure that you have all of the following:
uReaderFMS + IOX-NULL | uReaderFMS + HRN-TNULL |
✱ NOTE: Professional Installation Required — Installation of the IOX-UREADER requires the installer to have sufficient technical knowledge and expertise for mobile device installation and integration into modern vehicles, such as a Certified Geotab® Installer certification or equivalent.
! IMPORTANT: The GO device must be disconnected from the vehicle prior to installation. Following installation, you must read and follow Important Safety Information and Limitations of Use for this harness/IOX. Additionally, you must read and follow all Instructions and Warnings to prevent serious injury and/or vehicle damage.
WARNING! It is highly recommended not to create any electrical (vehicle harness modification, splices etc..) or non electrical (CAN clamp) connection between the Geotab devices (GO9 + IOX-UREADER) and the tachograph ports A and B (for example, power supply through the 3-wire harness or CAN bus connection). The Geotab Truck Solution is not designed to interface with these ports, and Geotab will not be responsible for any mechanical, electrical, or legal issues caused by a connection made to tachograph ports A and B.
WARNING! Prior to IOX-UREADER installation, read and follow the GO device installation instructions to verify any existing GO device installation is correct in preparation for IOX-UREADER installation. Incorrect installation of either the GO device and/or IOX-UREADER can result in loss of vehicle control and serious injury.
WARNING! Prior to the IOX-UREADER installation, read and follow the Important Safety Information and Limitations of Use section of this document. Always read and follow all safety information to prevent loss of vehicle control and serious injury.
WARNING! You must unplug the GO device from the OBD Port before plugging in or unplugging any IOX accessories. Failure to do so may permanently damage the GO device or the IOX.
1 | Unplug the GO device from the vehicle and then remove the expansion Port cover on your GO device. | |
2 | Plug in the 90° USB connector from the IOX into the GO device. Secure the USB connector using a cable tie. Please note that over-tightening the cable tie may damage the USB connector. ✱ NOTE: The USB connector must be inserted in the orientation displayed in the image to the right. | |
3 | Connect the eight-pin Microfit connector of IOX-NULL or HRN-TNULL into the uReaderFMS (Port-D). | |
4 | Connect the six-pin Microfit connector of harness HRN-URTACHO or HRN-URTACHO02-A into the IOX-UREADER (Port-B). | |
5 | Connect the red and brown connectors of HRN-URTACHO or HRN-URTACHO02-A into the tachograph as explained in the Tachograph Connections section. | |
6 | Optionally, when instructed by the reseller, connect the CAN clamp to the vehicle's CAN bus as explained in the CAN Bus Clamp Installation section. | |
7 | After all elements from IOX-UREADER are connected, connect the GO device and immediately start the vehicle. The GO device will enter debug mode. Check the vehicle's dashboard to ensure that there are no errors or lights that were not illuminated prior to installation. | |
8 | Navigate to myinstallpub.geotab.com to verify that the device is communicating.
✱ NOTE: If the device is not communicating, please ensure the device is installed correctly and try again. | |
9 | Click Next to go to the Vehicle information section. Enter vehicle related information: Vehicle name, License Plate, VIN, Make, Model, Year, Odometer, Engine hours, Work order reference, and Installation comments. You can manually enter the Make, Model, and Year fields or tap the search icon beside VIN to auto-populate them. If you enter the Odometer value, you must select the measurement unit: Km or Miles. You can use the Work order reference field to enter the work order number. You can enter Installation comments if desired. Click Finish installation. ✱ NOTE: For some vehicle makes and models, the auto-populate option might not be possible. Please refer to the MyInstall User Guide for more information. | |
10 | Verify that the IOX-UREADER has been installed correctly. The IOX-UREADER device has a status LED that produces a series of blinks followed by a pause. Ensure that the vehicle ignition is ON to check the installation status. If the LED is off, it may be due to a power problem or a device failure. Once the ignition is on, after a few minutes, if the installation is correct, the light sequence should be:
Check the Troubleshooting section if the status LED sequence is different. | |
11 | Validate the IOX-UREADER installation using the Device Installation Wizard tool at https://tools.ioxureader.com/install. The tool can also be used for troubleshooting purposes. For more information about the Device Installation Wizard, please refer to the user guide. ! IMPORTANT: The use of this tool is mandatory for every installation. Otherwise, the data will not be obtained correctly due to the absence of the IOX-UREADER configuration. |
The IOX-UREADER comes with a termination shunt installed in the expansion port. If you plan to install more than one IOX in a daisy chain, you must remove the shunt from each device in the line, with the exception of the last IOX connected. The shunt must remain in the last IOX, secured with a cable tie. The shunt in the last IOX ensures that the GO device detects and configures the IOX as effectively as possible.
1 | Remove the IOX-NULL termination shunt located on its case by cutting the zip tie and unplugging the termination. | |
2 | Connect the next daisy chain IOX device to the IOX-NULL’s USB connector. Here is an example using an IOX-ALERT. | |
3 | Secure mechanically the connection using a zip tie and cut its extra part after fastening it. |
1 | Remove the HRN-TNULL termination shunt located on one of its harness branches by cutting the zip tie and unplugging the shunt. | |
2 | Connect the next daisy chain IOX device to the IOX-NULL’s USB connector. Here is another example using an IOX-ALERT. | |
3 | Secure mechanically the connection using a zip tie and cut its extra part after fastening it. |
! IMPORTANT: The operations mentioned above must be done with the IOX-UREADER switched off.
✱ NOTE: Failure to install the shunt in the last IOX may affect IOX communication. To ensure that the IOX communicates, please secure the shunt with a cable tie.
Tachographs have four ports: A (WHITE), B (YELLOW), C (RED), and D (BROWN).
✱ NOTE: The four ports are polarized/keyed and will only fit into the mating receptacle as explained. Do not force fit.
✱ NOTE: Some tachographs are protected with a security seal that must be removed in order to proceed with the installation.
✱ NOTE: If installing in a Scania vehicle and the C connector (RED) is populated with wires in positions C5 and C7, and there are no wires connected to A4 and A8, see Scania Vehicles with Tachograph SRE6.x before installation.
✱ NOTE: If installing in a vehicle using Stoneridge SRE8.X or EFAS-4.10 tachograph and the C connector is being used by DSRC antenna, see How to connect CAN-C when it is occupied by the DSRC antenna before installation.
! IMPORTANT: The vehicle electronics are connected to the Tachograph by a pair of wires known as CAN-A (CAN bus), connected to the Tachograph Port-A (WHITE Connector), using the A4 and A8 pins. Never alter the connections in the A or B connectors.
! IMPORTANT: Do not modify the provided C connector (RED). This connection cannot be shared, and there must never be multiple connections as this can cause interferences in the vehicle CAN Bus, which could result in malfunctions.
WARNING! If, at any point, a warning light illuminates on the vehicle dashboard or the vehicle stalls or has a marked drop in performance, shut off the engine, remove the device and contact Support. Continuing to operate a vehicle with these symptoms can cause loss of vehicle control and serious injury.
! IMPORTANT: After extracting the Tachograph, be very careful when leaving the tachograph hanging to avoid any cable damage.
The first connection is made to the Port-D of Tachograph, only the D8 pin (K-LINE signal) is used by IOX-UREADER.
Follow these instructions depending on your installation use case:
The second connection is made to the CAN bus Port C of the tachograph. Only the C5 (CAN-H signal) and C7 pins (CAN-L signal) are used by IOX-UREADER from this port. The CAN bus Port-C of a tachograph is also known as CAN-C, CAN2 or CAN-FMS. Follow these instructions to continue with the installation:
Connect the red connector on either the HRN-URTACHO or HRN-URTACHO02-A to Port C of the tachograph.
If Port C is not available, or for alternative tachograph versions that require a different installation process, refer to the other installation cases listed below.
This is a special case for all Scania vehicles which previously had or currently have a Stoneridge 6.x tachograph. Usually in those installations, tachographs have been or will be replaced with a newer model without modifying the electrical installation.
First, check the connectors A and C. This operation only applies if the vehicle is a Scania with a Stoneridge tachograph with the vehicle CAN bus connected to Port-C of the tachograph. This situation is easy to diagnose as there are no wires connected to A4 and A8. Before connecting the HRN-URTACHO or HRN-URTACHO02-A, make the following modifications as instructed in Stoneridge information bulletin NT2009/012:
Some Stoneridge SRE8.X and EFAS-4.10 have the DSRC antenna connected to Port-C of the tachograph instead of Port-A of the tachograph.
There are different ways to detect if this is the case:
Required changes:
Installation is done in parallel with DSRC wires.
For some VDO tachographs you will need additional parts:
Installation process:
The IOX-UREADER allows a connection to the vehicle CAN bus using a capacitive clamp to read vehicle data without electrical contact, thereby preventing vehicle interference and not voiding the manufacturer's warranty. It automatically detects polarity, baud rate, and CAN bus protocol. No configuration is required.
Locate the CAN bus in the vehicle, find the appropriate wires, and then run them through the inside of the CAN clamp as shown below. Hold the wires over the CAN clamp and close it.
✱ NOTE: When planning to install the CAN Clamp on a vehicle for which the GO device has no support, a 3-wire harness (HRN-CW03S3) must be used to install the GO device, otherwise GO device source priorities may not make use of the engine data from IOX-UREADER. If the GO device supports some data and the IOX-UREADER is being used to complement it, then a 3-wire harness is not needed.
✱ NOTE: The position of the wires does not matter, they can be placed in any order and the CAN clamp automatically detects the polarity.
! IMPORTANT: Do not connect the clamp to any wires from the CAN bus CAN-A (pin A4 and A8) of the tachograph, as most of the parameters are not received in this location.
! IMPORTANT: The CAN clamp can be reused by opening it with a screwdriver. Reusing the clamp too many times can damage the clamp and is not recommended.
! IMPORTANT: Never cut, extend or modify the vehicle CAN bus wires.
Refer to the CAN bus location guide.
If you are only installing the capacitive clamp and not connecting a tachograph, skip steps 4 and 5 of the Installation Instructions.
You will need these parts:
This section guides Partners through the troubleshooting process for issues related to IOX-UREADER. This section is concerning the CAN Bus CAN clamp installation and Tachograph installation use cases.
Before contacting Support, please identify whether the issue is hardware or application related. The issue is hardware related if there is a problem with the IOX-UREADER. The issue is application related if there is a problem with MyGeotab.
Before troubleshooting, please follow the steps below to gather all the necessary information related to the issue:
If the issue is hardware related, follow these steps:
1 | Record the information of any hardware that is currently in use:
|
2 | Check for connectivity and installation issues:
✱ NOTE: Regardless of hardware issues, always make sure to check each and every connection, including harnesses and/or the IOX, if applicable. The vast majority of issues result from insecure connections. |
3 | For more detailed troubleshooting steps, see the section on Troubleshooting the Issue. |
If the issue is related to MyGeotab, please contact Support. Before doing so, record the following information:
Once basic information is collected, please refer to the IOX-UREADER Troubleshooting Matrix for more detailed troubleshooting steps. Some issues may require advanced troubleshooting. If your issue is not listed or solved with the proposed solutions, please contact Support. The IOX-UREADER device has a status LED that produces a series of blinks followed by a pause. The first blink corresponds to the first row of the matrix, the second blink corresponds to the second row, and so on. Ensure that the ignition is ON when checking the installation status. If the LED is OFF, it could be due to a power problem or a device failure. Check if the GO device LEDs are on. If so, check that the IOX-NULL or HRN-TNULL is correctly inserted. It could be a power issue with the GO device.
✱ NOTE: If the problem is not resolved, repeat the installation with another IOX-UREADER. If the problem persists, please contact Support.
Color indicator:
Blink | Function | GREEN | ORANGE | RED |
1 | CAN bus clamp (CAN1) | Receiving data | Data is no longer being received. To troubleshoot, check to ensure that vehicle contact is on. If you have moved the CAN clamp location, restart the device. | No data received. To troubleshoot, check to ensure that vehicle contact is on. Verify CAN clamp is connected in the correct CAN bus location. |
2 | Tacho CAN-C (CAN2) | Receiving data | CAN-C communication lost. To troubleshoot, check to ensure that vehicle contact is on. Check tachograph connections. | No communication with the Tachograph. To troubleshoot, check tachograph connections and check tachograph compatibility. |
3 | Tacho D8 (K-LINE) | Receiving data | D8 communication lost. To troubleshoot, check to ensure vehicle contact is on. Check tachograph connections. | No communication with the Tachograph. To troubleshoot, check tachograph connections. |
4 | IOX CAN bus | Connected to GO device | Connected to GO device in sleep mode. | No connection to GO device. To troubleshoot, if this persists after a few seconds, check if the GO device is awake, and its connection to the IOX-UREADER following the Instalation Instructions and Termination Shunt sections. |
! IMPORTANT: If the problem is not resolved, repeat the installation with another IOX-UREADER. If the problem persists, please contact Support.
Please consult Cold Chain Harness Compatibility prior to installation to be aware of integration products (harnesses) needed depending on the corresponding cold chain machine. Refrigeration units data can then be viewed and analyzed in the Asset Monitoring view, within the MyGeotab™ platform. Please refer to the document Asset Monitoring Solution — Implementation Guide for more information.
The IP Box is available for purchase under the product name GEO-CCIPBOX.
In the case of an outdoor installation, The GO+IOX-UREADER assembly must be IP protected to prevent water or liquid exposure damage. In this case, an installation using the IP Box is needed.
The IP Box is composed by four physical outputs, which are:
Before installing, please document your GO device and IOX-UREADER serial number. This information is needed to verify your installation.
Ensure you have all of the following elements:
1 | Remove the 4 M4 stainless steel Phillips screws and split box enclosure exposing the internal components. | |
2 | Internal connections:
| |
3 | Close the IP Box, making sure the gasket is seated correctly and the corners of the cold chain box edges are lined up. Tighten screws with a 0.34Nm torque. Place GO unit serial number sticker on the side of the IP Box. | |
4 | Using the components available in the GEO-CCIPBOX’s kit:
✱ NOTE : Refer to the Cold Chain Harness Compatibility list for more information. |
✱ NOTE: The installation steps will depend on the model of the refrigeration unit.
In this case, the following are connected to the refrigeration unit:
The Thermograph harness is connected to the Thermograph. The Accessory harness is not used and must be protected.
1 | Find a mounting location for the IP Box., It can be located inside or outside the refrigerator unit compartments, but must be within three meters from the Controller Compartment. | The two different locations are:
|
2 | Fasten the IP Box unit using the four screws available in the kit. ✱ NOTE: Orient the IP box such that the connected cables face downwards. Do not mount close to any heat sources and ensure that the mounting area does not interfere with any other components. Mounting locations may vary according to trailer type. An example can be to Affix it to the lower right part of the refrigeration unit, to the right or left of the unit’s water output hose, but never below the water output. WARNING! Use extreme caution when drilling holes in the refrigeration unit. Drilling into electrical wiring or refrigerant lines poses a risk of fire. Never drill into structural components. | |
3 | If there is a Thermograph on the installation, follow the Thermograph installation instructions. If there is no Thermograph on the installation, protect the loose Thermograph cable wires and root it in or near the controller compartment. Then, proceed with the installation of the IP Box depending on the refrigeration unit model or controller. |
Manufacturer | Refrigeration Unit Model or Controller | Installation Instructions Document |
Thermo King | Smart Reefer 2 (SR-2) | |
Smart Reefer 3 (SR-3) | ||
Smart Reefer 4 (SR-4) | ||
Thermoguard V controller (TG-V) | ||
Thermoguard P P-IV controller (P P-IV) | ||
Thermoguard uP-IV multi-temp controller | ||
Thermoguard uP-V controller (uP-V) | ||
Thermoguard VI controller (TG-VI) | ||
Thermoguard uP-VI controller (uP-VI) | ||
Carrier | Vector/Ultra/Maxima | |
Carrier | X2100A |
In this case, the IOX-UREADER is connected to:
Depending on the installation and the vehicle type, the GO device can be powered via:
If there is a Thermograph in the installation, follow the Thermograph installation instructions.
This installation use case refers to the connection between GO+IOX-UREADER and a refrigeration unit/in-cab controller using the RS232 communication protocol.
Manufacturer | Refrigeration Unit Model or Controller | Installation Instructions Document |
Hwasung | - | |
Thermo King | Serie T | |
Carrier | Supra | |
LAE | AH1-5B14L-AG | |
Thermo King | Direct Smart Reefer controller (DSR) |
This connection is achieved using the IOX-UREADER loose wires (via the IOX-NULL or the HRN-TNULL) or the IPBox Thermograph cable gland. The loose wires are directly connected to the thermograph’s screw terminal connectors or crimped to the thermograph’s connectors. The pinout on the thermograph’s side, depends on its brand and model. For more information please refer to the Thermograph Specifications and Configurations section.
To connect the IOX-UREADER to a thermograph, use the loose wire of the Thermograph cable gland.
Connection table | ||
IP Box Thermograph cable gland | Thermograph | |
Signal | Wire color | Signal |
RS232-RX | Grey | RS232-TX |
RS232-TX | Purple | RS232-RX |
GND | Black | GND |
1 | Open the Thermograph compartment by removing the four screws. | |
2 | Cut the extra length of the Thermograph cable and insert the cable in the Thermograph box. | |
3 | Connect the IP Box to the Thermograph following the connection table above and the Thermograph specifications and configurations section. | |
4 | Close and secure the Thermograph compartment using the four screws. |
To connect the IOX-UREADER to a thermograph, use the loose wire of the harnesses IOX-NULL or HRN-TNULL.
Connection table | ||
IOX-NULL / HRN-TNULL | Thermograph | |
Signal | Wire color | Signal |
RS232-RX | Green | RS232-TX |
RS232-TX | Purple | RS232-RX |
1 | Remove the Thermograph from its location using extractors. | |
2 | Connect the IOX-UREADER to the Thermograph following the connection table above and the Thermograph specifications and configurations section. ✱ NOTE: If the HRN-NULL RX and TX loose wires are too shorts to reach the Thermograph, complete a wiring extension using loose wires. | |
3 | Place the Thermograph back in its location |
Connections | Configuration | |
No configuration is required. If the equipment does not receive information from the thermograph, you can check port speed by accessing the Configuration Menu:
| ||
Thermograph | IP Box | |
TX (2) | RS232 RX | |
RX (3) | RS232 TX | |
CON1 - | GND | |
CON1+ | VCC |
Connections | Configuration | |
Same as Thermo King | Not required, or same as Thermo King |
Connections | Configuration | |
Same as Thermo King | Not required, or same as Thermo King |
Connections | Configuration | |
| ||
Thermograph | IPBox | |
CON2 TX | RS232 RX | |
CON2 RX | RS232 TX | |
CON1 - | GND | |
CON1+ | VCC |
Connections | Configuration | |
| ||
Thermograph | IPBox | |
CON2 TX | RS232 RX | |
CON2 RX | RS232 TX | |
CON1 - | GND | |
CON1+ | VCC |
Connections | Configuration | |
Same as Carrier Datacold 500 |
✱ NOTE: TMS protocol 9k6 activates protocol to extract all data. Old ES protocol activates the Thermo King protocol. |
Connections | Configuration | |
Same as Carrier Datacold 600 | TBC |
Connections | Configuration | Version Requirement | |
No configuration is required. | uReader FW version 0.5.28 or later is required for Apache Cold Tracer support. | ||
Thermograph | IPBox | ||
TX (4, blue) | RS232 RX | ||
RX (5, cyan) | RS232 TX | ||
GND (10, gray) | GND | ||
+12V (1, red) | VCC |
Connections | Configuration | |
| ||
Thermograph | IPBox | |
TX1 (13) | RS232 RX | |
RX1 (12) | RS232 TX | |
-(1) | GND | |
+(2) | VCC |
! IMPORTANT:It is necessary to upgrade the firmware of the thermographs with firmware version lower than 515.026. Check the version from the main screen.
✱ NOTE: If it is necessary to upgrade the firmware, please contact Support.
The DUT-E CAN Fuel level sensor is connected to the IOX-UREADER’s CAN bus interface.
From | To | ||
Pin | Wire Label | Signal | Color | Signal |
1 | VBAT | Orange | Power supply + |
2 | GND | Brown | Power supply - |
3 | CANH | Blue | IOX-UREADER Port B Pin 6 : CANH |
4 | CANL | White | IOX-UREADER Port B Pin 3 : CANL |
✱ NOTE: IOX-UREADER cannot power the sensor.
It is necessary to configure and calibrate the sensors with the manufacturer's software:
The calibration determines the minimum and maximum level of fuel measurement in the tank. To perform the calibration follow these steps:
The Omnicomm LLS4 Fuel level sensor is connected to the IOX-UREADER’s RS232 interface.
FROM | TO | |
SIgnal | Wire color | Signal |
RS232 TX | Pink | IOX-UREADER Port A Pin 2 : RS232 RX |
RS232 RX | Gray | IOX-UREADER Port A Pin 4 : RS232 TX |
Power | Brown | Power supply + |
GND | White | Power supply - |
✱ NOTE: IOX-UREADER cannot power the sensor.
It is important to know if the tachographs in your fleet are compatible with the remote download system. Based on the brand of your tachographs, there are different ways to do this. The following tool is used to check the compatibility between a tachograph brand and Geotab tachograph solution : Online RDL Check Tool.
All Stoneridge models support remote download from revision 7 (REV7).
✱ NOTE: The OK Rule: If there is an OK button, then it supports RDL. Check your tachograph keyboard symbols:
Supports remote download: | Does not support remote download: |
! IMPORTANT: Check with the calibration tool (MKII or similar) that the following parameters are activated:
All Actia tachograph models that include the word REMOTE or have a reference number greater than or equal to 921871 support remote download. The reference number is located on the tachograph sticker. To access the tachograph sticker, remove the tachograph from the packaging and look on both sides.
Most Siemens VDO models from version 1.3a support remote download. To confirm compatibility, navigate to Online RDL Check Tool and enter the Typ number. The Typ number is found on a sticker inside the printer compartment or in the Tachograph ticket, as shown below.
✱ NOTE: To access the tachograph sticker, you must open the printer and remove the paper roll.
! IMPORTANT: Use the calibration tool (CTCII or similar) to check that the following parameters are activated:
Remote download is available on model EFAS-4 with version 2.00–2.15 and higher. The model and version number can be found on your Tachograph label, placed in the lower side of the Tachograph or in the Tachograph ticket:
! IMPORTANT: Remote download must be activated using the EFAS Service Tool. The following parameters must be configured as indicated:
For the latest version of the Limitations of Use, please visit: goo.gl/k6Fp0w.
WARNING! Do not attempt to install, configure or remove any product from any vehicle while the vehicle is in motion or otherwise in operation. All installation, configuration or removal must be done only in stationary vehicles which are securely parked. Attempting to service units while being operated could result in malfunctions or accidents, leading to death or serious personal injury.
WARNING! All in-vehicle devices and related cabling must be securely fastened and kept clear of all vehicle controls, including accelerator, brake and clutch pedals. You must inspect devices and cabling on a regular basis to ensure that all devices and cabling continue to be securely attached. Loose cabling or devices may impede the use of vehicle controls, resulting in unanticipated acceleration, braking or other loss of vehicle control, which could lead to death or serious personal injury. Improperly fastened in-vehicle devices may detach and impact operators upon sudden acceleration or deceleration, which may cause injury.
WARNING! If, at any point after an in-vehicle device is installed, a warning light illuminates on the vehicle dashboard or the vehicle stalls or has a marked drop in performance, shut off the engine, remove the device and contact your reseller. Continuing to operate a vehicle with these symptoms can cause loss of vehicle control and serious injury.
WARNING! Your in-vehicle devices must be kept clear of debris, water and other environmental contaminants. Failure to do so may result in units malfunctioning or short-circuiting, which can lead to a fire hazard or vehicle damage or serious injury.
WARNING! Do not attempt to remove the devices from the vehicle in which they are originally installed for installation in another vehicle. Not all vehicles share compatibility, and doing so may result in unexpected interactions with your vehicle, including sudden loss of power or shutdown of the vehicle's engine while in operation or cause your vehicle to operate poorly or erratically and cause death or serious injury and/or vehicle damage.
NOTICE: This product does not contain any user-serviceable parts. Configuration, servicing and repairs must only be made by an authorized Reseller or installer. Unauthorized servicing of these products will void your product warranty.