NTB18-047

2018 ROGUE SPORT; MIL ON WITH A/F RATIO SENSOR DTC(S) IF YOU CONFIRM The MIL is ON with one or more of the following Air/Fuel (A/F) Sensor DTCs stored: - P015A - A/F SENSOR1 (B1) (O2 sensor delayed response - rich to lean bank 1 sensor 1) - P015B - A/F SENSOR1 (B1) (O2 sensor delayed response - lean to rich bank 1 sensor 1) and There are no drivability issues. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. If this bulletin applies: 2. Reprogram the ECM.