CARB: No Defeat Software or Hardware Allowed

The California Air Resources Board recently sent a letter of encouragement to engine and vehicle manufacturers asking them to disclose any unapproved software or hardware programs that could impact emission control systems by the end of the year. The letter served as a warning to manufacturers about hiding any methods which could affect the performance of emission systems. According to CARB, by a manufacturer admitting to any undisclosed changes or modifications that impact emissions now, their honesty will be taken into consideration later if (or when) the agency determines a penalty. Undisclosed modifications include: unapproved recalls or technical (field) fixes, submitting false data, and incorrect calibration or testing of the onboard diagnostics system.