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B1404 on the 2014 Land Rover LR4

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1404
SGI14-442017-06-02. Service bulletin. "DESCRIPTION A POTENTIAL ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014 MODEL YEAR LR4 (L319), RANGE ROVER EVOQUE (L538), RANGE ROVER SPORT (L494), AND RANGE ROVER (L405) VEHICLES, FITTED WITH A DUAL BATTERY JUNCTION BOX (DBJB) AND AUXILIARY BATTERY ONLY, WHERE THE CHARGE WARNING INDICATOR REMAINS ILLUMINATED BUT THE VEHICLE CONTINUES TO DRIVE AS NORMAL. DIAGNOSTIC TROUBLE CODES (DTC) B1404-13 AND B1479-72 MAY BE STORED IN THE GATEWAY MODULE. THE ISSUE DISAPPEARS AFTER AN IGNITION CYCLE."
Q406NAS12017-06-02. Service bulletin. "SITUATION: A POTENTIAL ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014 MODEL YEAR LR4 (L319), RANGE ROVER EVOQUE (L538), RANGE ROVER SPORT (L494), AND RANGE ROVER (L405) VEHICLES, FITTED WITH A DUAL BATTERY JUNCTION BOX (DBJB) AND AUXILIARY BATTERY ONLY, WHERE THE CHARGE WARNING INDICATOR REMAINS ILLUMINATED BUT THE VEHICLE CONTINUES TO DRIVE AS NORMAL. THE ISSUE DISAPPEARS AFTER AN IGNITION CYCLE. DIAGNOSTIC TROUBLE CODES (DTC) B1404-13 AND B1479-72 MAY BE STORED IN THE GATEWAY MODULE. ACTION: RETAILERS ARE REQUIRED TO HOLD ONLY AFFECTED VEHICLES THAT ARE WITHIN YOUR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN."
LTB00667NAS12017-06-01. Service bulletin. "SITUATION: THE BATTERY WARNING MESSAGE AND WARNING LAMP MAY INTERMITTENTLY DISPLAY ON THE INSTRUMENT CLUSTER AND/OR THE ECO STOP/START MAY NOT FUNCTION. DIAGNOSTIC TROUBLE CODE (DTC) B1404-13 AND/OR B1479-72 WILL ALSO BE STORED IN THE GATEWAY MODULE (GWM). CAUSE: THIS MAY BE CAUSED BY A GATEWAY MODULE (GWM) SOFTWARE ISSUE."

3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.