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This article guides you through setting up the Trackunit Fit mobile app. You’ll learn how to:
By the end, you’ll be ready to install and validate TU600 and TU700 Raw IoT devices on your assets.
Note: There are two different Trackunit Fit apps. This article is about the Trackunit Fit app (blue icon).
If you are a Trackunit-contracted installer, continue using Trackunit Fit (Field) (red icon). You can find our Trackunit Fit (Field) article collection, here
| Trackunit Fit  | Trackunit Fit (Field)  |
Purpose | Self-install app | Managed install app for Trackunit-contracted technicians |
Users | Any user with a Trackunit Manager account | Trackunit field technicians |
Availability | iOS & Android | iOS only |
1. Download and log in to Trackunit Fit
Download Trackunit Fit:
iOS (TestFlight): Join here
Android: Download here
Open Trackunit Fit
Tap Sign in and enter your Trackunit Manager credentials
💡 Tip: If you forgot your password, enter your username and select Forgot password. An email will guide you through the password-reset process.
If you do not have a Trackunit Manager login, ask your organization’s admin to create an account for you. Learn how to manage users
2. Navigate the welcome screen
From the Trackunit Fit welcome screen, you can:
Access Installation guides with manuals and instructions
Tap Start installation to begin a new setup
Review and Continue installations in progress
3. Begin a new installation
Prepare for installation
On the welcome screen, tap Start installation. You’ll be guided through:
Specify device: Scan or enter the device serial number.
Confirm device: Review the scan results and tap Add device.
Asset registration: Select the asset you are connecting the device to. This step helps confirm CAN eligibility and ensures the asset is correctly registered in Trackunit Manager.
4. Perform the physical installation
You can complete the wiring before or after registering the device and asset. Registering device and asset first, guides you in terms of CAN eligibility.
Connect the power wire.
For wiring instructions, open Service Guides in the app
If the machine is CAN-eligible, connect the two CAN wires as well
Review device values in the Device details section on Install Home to understand the device connections:
Machine power supply
Telematics battery charge
Mobile signal
Bluetooth RSSI
This helps identify issues such as weak signal or low battery levels.
Tap Device section for detailed values and changing its settings:
Input filtering
Use this if the asset has a battery negative disconnect switch
It changes the ground reference for inputs from the blue wire to the pink wire, ensuring correct input status and accurate battery voltage
To enable this, connect the pink wire to the chassis ground
Output mode
Automatically enabled when the output ground is active on the device
You can toggle this on/off to force output or perform relay-enabled testing
Inputs configuration
Adjust input settings to align with local standards
Gain additional insights from the device by customizing input usage
5. Validate the installation
To confirm wiring and configuration, you must validate the installation. This is fundamental for the device to be operating optimally.
Note: For this step, you'll need to interact with the asset directly.
On Install Home, tap Certification.
Follow the five-step validation flow tailored to the machine you are installing on, specifically if dependent on engine type and if you are installing with Access Management:
Machine off – Ensure the machine is off. Trackunit Fit validates inputs
Ignition on – Switch ignition on. Inputs are validated
Running – Start the engine. Inputs are validated
CAN validation – If the asset is CAN-eligible, Fit provides the correct CAN profile and confirms if CAN data is captured
Shutdown – Turn the engine off. Inputs are validated
Complete overview of input states
1) Install without Access Control Relay (Access Management)
Engine Type | Combustion | Electric or Hybrid |
Step 1 Machine off |  VEXT >= 11.5V | 
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Step 2 Ignition on |  |  |
Step 3 Machine Running | 
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Step 5 Shutdown | 
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2) Install with Access Control Relay (Access Management)
2.1) Combustion Engine
Immobilization Type | Ignition | E-Stop | Starter |
Step 1 Machine off |  VEXT >= 11.5V | VEXT >= 11.5V | VEXT >= 11.5V |
Step 2 Ignition on | 
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Step 3 Machine Running | 
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|  IN3 is now OFF, but was ON at least once since previous step |
Step 5 Shutdown | 
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2.2.) Electric or Hybrid Engine
Immobilization Type | E-Stop | Electric Motor | Ignition |
Step 1 Machine off | | | |
Step 2 Ignition on |
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Step 3 Machine Running |
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Step 5 Shutdown |
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6. Add installation photos
You must document each installation with photos.
Tap Installation images.
Capture the required photos.
We recommend at minimum a photo of:
The asset
The asset plate
The Trackunit device and its location
The section turns green once all required images are uploaded.
7. Complete the installation
After completing Certification and Installation images, tap Complete installation to finish the process.
💡 Tip:
Need more help?
Click on the Messenger icon in the lower left corner to get in touch with Customer Support.