Today’s trailers do far more than carry cargo. They monitor tyre pressure, track location, manage load data, and support Advanced Driver Assistance Systems (ADAS) that help keep drivers and other road users safe. All of that generates data that needs to travel from the trailer to the truck in real time.
The problem is that the connector linking them was never designed for this. The 15-pin connector that has been the European industry standard for decades was built for power and basic signalling. It was not built for the data demands of a modern smart trailer. Today, that gap is already forcing OEMs to make design compromises. As smart trailer technology continues to advance, it will only get wider.
The industry knows it needs a better solution. The more important question is what kind of solution: one that works with the trucks and trailers already on the road across Europe, or one that requires the industry to start over.
The Case for Backward Compatibility
When it comes to upgrading trailer-to-truck connectivity, two broad approaches exist. The first adds a fifth electrical connector to handle data and ethernet requirements. The second evolves the existing 15-pin ISO 12098 connector to handle both its original functions and the full data demands of modern trailer systems, with no additional hardware needed.
We believe backward compatibility is not just a preference. It is the only approach that works at European scale.
Europe has one of the largest commercial vehicle fleets in the world, spread across dozens of markets, with decades of investment in existing truck and trailer hardware. Asking the entire industry to adopt new connectors at both ends of every combination is not a transition. It is a replacement programme that would take a generation to complete. In the meantime, fleets would be left managing two incompatible populations of vehicles, with no guarantee that any given truck can connect to any given trailer. That uncertainty has a direct cost.
There is also a simpler point. Drivers already manage at least two electrical connections and two air lines every time they couple a combination. Adding another connector does not solve a problem for the people doing that job every day. It creates one. Smart trailer technology only delivers its benefits, safer roads, better visibility, more efficient operations, if it is actually adopted. And adoption is always faster when the transition is easy.
What EvolutionIQ Is Built to Do
“The connector between a truck and trailer is going to define what that combination can do for the next two decades. We took that seriously when we designed EvolutionIQ. Every architectural decision we made was about ensuring the industry has a clear path forward without having to solve the same problem again in ten years because the first solution did not go far enough.“
Daniel Forthoffer, President, Phillips Innovations
EvolutionIQ was built around a single principle: the industry should not have to choose between working with what it already has and being ready for what comes next. It should have both.
The connector is fully compatible with existing ISO 12098 infrastructure. No adaptor is needed. Fleets do not need to touch their existing vehicles to begin the transition, and OEMs can build to the new standard without leaving the rest of the European installed base behind.
On the data side, EvolutionIQ starts at 4 Gb/sec and is designed to scale significantly further as smarter trailer systems become more widely adopted over the coming decade. It supports both centralised and distributed ethernet architectures, so OEMs are not forced into a single design approach. The name says it plainly; this is an evolution of what the industry already has, not a request to start over.
Why the Architecture Decision Matters Long Term
Connectivity standards tend to outlast the vehicles they were designed for. The 7-pin connectors that came before ISO 12098 are still in circulation across parts of the European fleet today, long after newer standards arrived. Whatever infrastructure choices are made now will shape how trucks and trailers communicate for the next 20 years, whether the industry plans for that or not.
A solution that fixes the data problem, but fragments the fleet is not a step forward. Neither is one that requires an entire industry to replace working hardware before it sees any benefit. EvolutionIQ was designed to avoid both of those outcomes: high bandwidth, full backward compatibility, and a transition path that works for fleets of every size and age.
The full technical and commercial case is in our white paper, The Future of Trailer-to-Truck Connectivity. If you are an OEM engineer, a Tier 1 supplier, a fleet operator, or anyone working through what modern trailer connectivity actually requires, it is worth reading.
