Service bulletin Q406NAS1

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.

NHTSA's summary

"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."

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, 12-volt battery, Software

Trouble codes named

B1404, B1479

Listing a model year does not mean every vehicle of it is concerned: the document says which.

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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