Nissan Leaf 2018 — technical service bulletin
Bulletin NTB18-057 · NHTSA communication 10144520 · issued Aug 7, 2018
Technical service bulletin
communication type
Forward Collision Avoidance
component
2018
model years
1
vehicle entries
Official summary
2018 LEAF; MALFUNCTION AND AEB WARNING LIGHTS ON IF YOU CONFIRM Malfunction and Automatic Emergency Braking (AEB) warning lights are ON with DTCs: - C1B84-00 ? (DIST SEN MALFUNCTION) - C1A17-49 ? (CONTROL UNIT (INTERNAL ELECTRONIC ERROR)) ACTION 1. Install the new Distance Sensor. 2. Add a foam strip to the new Distance Sensor. 3. Perform Radar Alignment. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work youwill be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.