On-board diagnostics (OBD) refers to a vehicle's self-diagnostic and reporting capability. OBD systems ensure that the exhaust gas emissions are within the legislative demands. In case of an exhaust gas relevant hardware defect, the driver is informed by means of illuminating the malfunction indicator light (MIL). Furthermore, a diagnostic trouble code is stored, accessable through a standardized digital communication port. Our OBD portfolio contains the following services: