Infiniti QX50 2019–2022 — technical service bulletin
Bulletin ITB21-025 · NHTSA communication 10204198 · issued Nov 15, 2021
Technical service bulletin
communication type
Equipment
component
2019–2022
model years
4
vehicle entries
Official summary
DTC C1A17-49 STORED IN LASER/RADAR SERVICE INFORMATION If DTC C1A17-49 (ICC SENSOR MALF) is stored in LASER/RADAR in the â PASTâ column: ï · Erase the DTC. ï · DO NOT replace any parts. If DTC C1A17-49 (ICC SENSOR MALF) is stored in LASER/RADAR in the "CURRENT" column, refer to the applicable ESM for instructions.
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.