Infiniti Q50 2014–2019 — technical service bulletin
Bulletin ITB18-021 · NHTSA communication 10141448 · issued May 30, 2018
Technical service bulletin
communication type
Steering
component
2014–2019
model years
12
vehicle entries
Official summary
DAST CALIBRATION (MODE1) INCOMPLETE OR C13E9-00/C13EB-00 UNABLE TO ERASE This bulletin applies only to vehicles equipped with Direct Adaptive Steering (DAST). SERVICE INFORMATION This bulletin has information for two services for which a technician may need additional help: - While performing DAST CALIBRATION (MODE1), the calibration may stop or will not start. - DTC C13E9-00 (BOOTING ANGLE PROCESSING) and C13EB-00 (BOOTING ANGLE PROCESSING) are stored and cannot be erased. The above conditions may indicate that DAST CALIBRATION (MODE1) was not performed correctly or was not completed correctl
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.