Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Infiniti Q50 2018technical service bulletin

Bulletin ITB19-018 · NHTSA communication 10164641 · issued Aug 8, 2019

Technical service bulletin
communication type
Electrical System
component
2018
model years
1
vehicle entries

Official summary

2018 Q50; TPMS LIGHT ON WITH DTC STORED IF YOU CONFIRM The Tire Pressure Monitor System (TPMS) light is ON with one or more of the following DTCs stored: C1708 â [NO DATA] FL C1709 â [NO DATA] FR C1710 â [NO DATA] RR C1711 â [NO DATA] RL ACTION 1. Verify that the TPMS sensor associated with the stored DTC(s) is transmitting a signal with the Signal Tech II. 2. If transmitting, clear TPMS DTCs, turn the HVAC to maximum cool, and then road test the vehicle (see the specific conditions under steps 20 and 21 on page 6). 3. If a DTC is stored during the road test, replace the HVAC blower motor.

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.