Physical Layer Troubleshooting ROI: Why Investing in Basic Tools Cuts Your J1939 Downtime by 70%
A factory engineer’s perspective on why the cheapest diagnostic tools often deliver the highest return During a third-shift line-down call last winter, I traced a 72-hour telematics outage back to a single strand of copper that had fatigued under a cable tie. The diagnostic laptop said “ABS ECU Timeout.” The Fluke 87V said “4.7 kΩ on CAN-H.” That gap in information […]