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Service bulletins for the 2014 Infiniti Q50

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

256 on file from NHTSA, as of 2026-10-19.

About C13EB on the 2014 Infiniti Q50: what the code means, and the bulletins and recalls about the same components.

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By trouble code

Only bulletins with trouble code: C13EB are shown. Show all

Bulletins, newest first
ITB13033A2021-05-10. Service bulletin. LANE DEPARTURE; POWER TRAIN; AIR BAGS; STEERING; WHEELS. SERVICE INFORMATION: At engine start up, if a low 12 volt battery condition (approximately 8 volts) occurs with an Applied Vehicle, the following conditions may happen: * The Power Steering Warning Light is, or may have been ON. * DTC codes C13EB (DAST1, DAST2) and C13E9 (DAST1) may be stored as current or past. * Power steering will go to EPS mode (reduced power assist). Additionally, * The steering wheel may be off-center when starting to drive. Please see this bulletin for futher details.
ITB18-0212018-06-18. Service bulletin. STEERING; ELECTRICAL SYSTEM. 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 correctly. Use the SERVICE PROCEDURE in this bulletin as an aid to correctly perform and complete DAST CALIBRATION MODE 1. NOTE: - The SERVICE PROCEDURE in this bulletin does not contain all of the required steps. - The Electronic Service Manual (ESM) must be used together with this bulletin. - This bulletin contains additional clarification as an aid to perform DAST CALIBRATION MODE 1.
ITB-13-033A2014-01-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INFINITI: SOME VEHICLES MAY EXPERIENCE THE POWER STEERING LIGHT TO BE ON PAIRED WITH DTC C13EB AND C13E9. THE STEERING WHEEL MAY BE OFF-CENTER AND POWER STEERING WILL GO INTO REDUCED POWER ASSIST MODE. THIS IS DUE TO LOW BATTERY VOLTAGE CONDITION. *JS

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.