Reliable mileage and fuel tax reporting start with reliable GPS data, and reliable GPS data starts with a quality installation.
When an IFTA audit uncovers missing mileage, unexplained gaps, or inconsistent route history, the gut reaction for most fleet managers is to look at software settings or reporting errors. SaaS solutions like Samsara, Geotab, Motive, and Verizon Connect are often the first things to be blamed. But it’s entirely possible the real problem began much earlier, during the original install.
The good news is that most installation-related GPS issues are entirely preventable. Here’s everything you need to know.
Why GPS Data Matters During an IFTA Audit
The International Fuel Tax Agreement (IFTA) simplifies fuel tax reporting for commercial carriers operating across multiple jurisdictions. Rather than filing separate fuel tax returns for every state or province, fleets submit a single quarterly report based on where their vehicles traveled and how much fuel they consumed. GPS tracking has become an essential part of that process.
Modern telematics systems automatically record vehicle locations, calculate mileage by jurisdiction, and generate reports that dramatically reduce the need for manual driver logs. The result is greater accuracy, less paperwork, and a far more efficient reporting process.
However, even industry-leading platforms can only work with the data they’re given.
How Small Installation Issues Become Big Audit Problems
Unexpected device reboots and resets won’t stop a GPS tracker from working altogether. And that’s precisely what makes them so problematic. Drivers may not even notice, and fleet managers may never receive an alert that anything is wrong.
Overlooked intermittent faults can quietly undermine the integrity of your records. Flash forward to your next IFTA audit, and you find yourself under pressure to account for incomplete trip logs, missing mileage, inaccurate jurisdiction reporting, and other journey data that doesn’t quite add up.
Invariably, this results in a whole heap of additional stress, time, and administrative effort as fleet managers scramble to:
- Manually reconstruct missing journeys
- Verify mileage against driver logs and supporting records
- Account for discrepancies between GPS records and fuel tax reports
- Compile additional evidence to support your audit
The frustrating part is that much of this work could have been avoided by getting the installation right in the first place.
24 Common Installation Errors That Can Create Missing Mileage
Here’s a list of the most common installation errors that affect GPS data quality. In each case, the GPS hardware and telematics devices themselves are often doing exactly what they’re supposed to. They’re simply being let down by the way they were installed.
- Unstable Power Connections
- Tapping into an unsuitable power circuit
- Using an inadequate fuse tap or power connection
- Sharing a circuit that’s already heavily loaded
- Failing to verify voltage stability under real operating conditions
- Poor Grounding
- Grounding to painted or coated metal
- Using an unsuitable chassis grounding point
- Failing to remove corrosion before making the connection
- Not testing the ground after installation
- Incorrect Ignition Source
- Selecting an accessory circuit instead of a true ignition feed
- Assuming a circuit behaves the same across different vehicle models
- Not accounting for modern vehicle sleep modes and intelligent power management
- Failing to test how the circuit behaves throughout the ignition cycle
- Poor Cable Terminations and Loose Connectors
- Poor-quality crimps or splices
- Using the wrong connector for the application
- Connectors that aren’t fully seated or secured
- Failing to protect and secure wiring against vibration and moisture
- Damaged or Poorly Routed Wiring
- Routing cables through unprotected metal panels without a grommet
- Routing wiring alongside high-current electrical cables where interference is possible
- Leaving excess wiring unsupported so it rubs during vehicle operation
- Failing to allow sufficient slack at hinges or moving panels
- Poor GPS Antenna Placement
- Mounting the antenna where its view of the sky is obstructed
- Installing too close to sources of electrical interference
- Failing to properly seal roof penetrations against water ingress
- Inadequately securing the antenna against vibration and movement
How to Build GPS Installations That Stand Up to Audit Scrutiny
Reliable GPS data doesn’t happen by accident. It’s the result of consistent installation standards, rigorous quality assurance, and attention to detail.
Here’s how to get it right:
- Choose the right installation partner: Experienced fleet technology specialists understand modern vehicle electrical systems, manufacturer requirements, and the operational demands of commercial fleets.
- Follow standardized installation procedures: Consistent installation methods help eliminate avoidable mistakes, particularly when deploying at scale across mixed fleets and multiple vehicle types.
- Validate every installation: Don’t stop once the device powers up. Power stability, ignition behavior, GPS accuracy, and journey recording should all be verified before each vehicle returns to service.
- Document everything: Detailed installation records, photographs, and testing results make future troubleshooting significantly easier while providing valuable supporting evidence should audit questions arise.
Remember, the goal isn’t simply to install and power up a GPS tracker. It’s to deliver reliable mileage data that you can depend on every single day—including IFTA audit day.
Protect Your GPS Data From the First Mile
When mileage records come under scrutiny, the reliability of your telematics platform is only part of the equation. The quality of the installation behind it matters just as much.
At Orbital Installation Technologies, every GPS deployment is backed by our proprietary TaskRaptor™ platform. Here’s how TaskRaptor™ quality control (QC) processes and workflows help protect your fleet from audit nightmares:
- Standardized procedures that ensure consistent installation quality
- Real-time project tracking across every location
- GPS-stamped, photo-verified proof of work at the asset level
- Centralized documentation for audit readiness and reporting
Whether your fleet runs on Samsara, Geotab, Motive, Verizon Connect, or another leading platform, our experienced nationwide team is here to ensure your installation is as reliable as the technology you’ve invested in.
Contact us today to learn more about our GPS installation services and schedule your deployment.
