I checked my two sources, both missing. Grrrr.
Google says:
P1275 - Nissan
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description
Air fuel (AF) ratio sensor 1 - response time
Cause
HO2S, AF sensor, fuel pressure, injectors, intake air leak, exhaust leak, MAF sensor
PS - google isn't always right. If this gets confirmed I'll update the PDF.