This bulletin provides information and procedures for collecting OBD â??In Use Monitor Performance Ratioâ?? (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board).
This bulletin provides information and procedures for collecting OBD â??In Use Monitor Performance Ratioâ?? (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board).
