Field Notes — Automotive Telematics Blog

Published engineering articles

• The Hidden Cost of Surprise: How Unexpected Service Bills Are Destroying Dealership Trust — Research shows 76% of vehicle owners don't trust dealerships on pricing. Surprise invoices are the #1 driver of authorized-service attrition — and XENCHECK eliminates them at vehicle acceptance.
• J1939-22 and CAN FD in Heavy Vehicles: Why Signal Integrity Is Now a Hardware Problem — J1939-22 brings CAN FD to commercial vehicle networks — but at 2–8 Mbps, every passive component on the bus becomes a potential failure point. Here is why common mode choke, TVS, and transceiver IC selection define whether your device survives the truck environment.
• How XENCHECK Ultra Streamlines Vehicle Intake — XENCHECK Ultra identifies the vehicle and captures diagnostic data across supported networks. A configured DMS integration can then connect that evidence with the authorized service workflow.
• Why We Sign Every Telemetry Packet with secp256k1 — Fleet data is only as valuable as it is trustworthy. Here's why cryptographic packet signing isn't optional for insurance-grade telematics.
• XENTRON Ultra: One Platform, Two Products — Beyond Hardware: How One Unified Platform is Redefining Vehicle Intelligence
• From Vehicle Data to Service Decisions — XENCHECK Ultra captures workshop diagnostic data. XENFLEET adds connected-vehicle context. Together, the XENTRON Ultra architecture turns authorized vehicle data into structured, traceable service insight.