Infiniti G35 2004 — technical service bulletin
Bulletin 04023 · NHTSA communication 10007680 · issued May 14, 2004
Technical service bulletin
communication type
Electrical System
component
2004
model years
1
vehicle entries
Official summary
Malfunction indicator lamp on with diagnostic trouble code p1031, p1051, p1148, p1168 a/f sensor heater / closed loop. *tt
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.