Diagnosing Phantom CAN Bus Faults: A Step-by-Step TDR Guide with Factory Data
Intermittent U-codes and heat-sensitive dropouts account for over 30% of no-fault-found returns in our OEM audit data. The culprit is rarely in the pinout diagram. After two decades of building harnesses in Shenzhen, we’ve validated that 90% of phantom CAN bus faults are signal integrity issues—problems a multimeter can’t see but a TDR (Time Domain […]