Infiniti Q50 2014–2015 — technical service bulletin
Bulletin ITB19-040 · NHTSA communication 10168892 · issued Nov 22, 2019
Technical service bulletin
communication type
Power Train
component
2014–2015
model years
2
vehicle entries
Official summary
2014-2015 Q50; MIL ON WITH DTC P0720 AND MAY HAVE HARSH SHIFTING AND/OR LACK OF POWER SERVICE INFORMATION If DTC P0720 OUTPUT SPEED SENSOR is stored, follow the diagnostic procedure in the ESM. If the diagnosis leads to output speed sensor replacement, replace the control valve. Do NOT replace the output speed sensor. ï · - Refer to the ESM for control valve replacement: TRANSMISSION DRIVELINE> TRANSAXLE TRANSMISSION > 7 AT: RE7R01A > REMOVAL AND INSTALLATION > CONTROL VALVE TCM. HINT: The vehicle may also have harsh shifting and/or lack of power.
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.