NTB16-117

2016-2017 ALTIMA; MIL ON WITH A/F RATIO SENSOR DTC(s) IF YOU CONFIRM One or more of the following DTCs is stored: - P014C - A/F SENSOR1 (B1) (O2 sensor slow response - rich to lean bank 1 sensor 1) - P014D - A/F SENSOR1 (B1) (O2 sensor slow response - lean to rich bank 1 sensor 1) - 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) 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. 3. Replace the Air Fuel Ratio (A/F) Sensor 1. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.