Why Your Test Bench OBD Cable Needs an AWG, Loop Resistance, and Ground Separation Specification
In the last two years, I have reviewed eleven test bench OBD harnesses that were shipped back from labs with “ECU reset during flash” written on the fault tag. Nine of them measured fine on continuity and failed under load. The OBD cable is passive, so it is usually the last part to be measured. A continuity test passes. […]