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Service bulletin SGI14-20

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10101646
Published by NHTSA2017-06-01
Manufacturer's numberSGI14-20
Manufacturer's date2014-05-23
NHTSA componentELECTRICAL SYSTEM:WIRING; EXTERIOR LIGHTING; ELECTRICAL SYSTEM

NHTSA's summary

"DESCRIPTION AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014 MODEL YEAR LAND ROVER LR4 (L319) VEHICLES WITHIN THE LISTED VIN RANGE WHERE THE CENTRAL JUNCTION BOX (CJB) CONNECTOR HAS INCORRECT PIN ASSIGNMENTS. THE CJB CONNECTOR HAS PIN LOCATION ‘1’ WIRED IN ERROR WHERE PIN LOCATION ‘44’ SHOULD BE WIRED. IF A TRAILER WIRING HARNESS IS INSTALLED, THE TRAILER’S SIDE AND OUTER MARKER LAMPS DO NO ILLUMINATE."

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, Lighting, Wiring and fuses

Vehicles listed
LAND ROVER LR42014

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

Other bulletins for the same vehicles and component
SSM 722332017-06-07. Service bulletin. "ISSUE THE TAILGATE WILL NOT OPEN FROM THE EXTERIOR TAILGATE SWITCH. CAUSE. THE WIRES TO THE SWITCH HAVE CORRODED AND ARE POSSIBLY BROKEN."
LTB00626NAS22017-06-07. Service bulletin. "SITUATION: ONE OR MORE OF THE FOLLOWING ISSUES MAY BE EVIDENT: • THE ALARM IS TRIGGERED FOR NO APPARENT REASON; • THE 'HOOD OPEN' MESSAGE IS DISPLAYED ON THE INSTRUMENT CLUSTER; AND/OR • A MISLOCK SOUND IS EMITTED WHEN LOCKING THE VEHICLE. CAUSE: THESE ISSUES MAY BE CAUSED BY A FAULTY HOOD OPEN SWITCH."
SSM722332017-06-06. Service bulletin. "ISSUE THE TAILGATE WILL NOT OPEN FROM THE EXTERIOR TAILGATE SWITCH. CAUSE. THE WIRES TO THE SWITCH HAVE CORRODED AND ARE POSSIBLY BROKEN."
Q384 UPS3114-2BN2017-06-01. Service bulletin. "SITUATION: AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014 MODEL YEAR LR4 (L319) VEHICLES WITHIN THE LISTED VIN RANGE WHERE THE CENTRAL JUNCTION BOX (CJB) CONNECTOR HAS INCORRECT PIN ASSIGNMENTS. THE CJB CONNECTOR HAS PIN LOCATION ‘1’ WIRED IN ERROR WHERE PIN LOCATION ‘44’ SHOULD BE WIRED. IF A TRAILER WIRING HARNESS IS INSTALLED, THE TRAILER’S SIDE AND OUTER MARKER LAMPS DO NO ILLUMINATE. ACTION: RETAILERS ARE REQUIRED TO HOLD ALL AFFECTED VEHICLES WITHIN THE LISTED VIN RANGE THAT ARE IN THEIR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN."
SSM632772017-05-26. Service bulletin. "ISSUE AIR SUSPENSION FAULT, WARNING LIGHT ON. FAULT CODES STARTING WITH C1A ESPECIALLY C1A36-01 LOGGED. POSSIBILITY THAT ADDITIONAL WARNING LIGHTS MAY BE DISPLAYED AND ADDITIONAL FAULT CODES STORED. CAUSE THE HARNESS HAS BEEN INCORRECTLY ROUTED AND IS PRESSING AGAINST THE WASHER FILLER TUBE CAUSING INSULATION DAMAGE AND A SHORT CIRCUIT/OPEN CIRCUIT"
SGI-14-202014-11-28. Service bulletin. LAND ROVER: THE CENTRAL JUNCTION BOX(CJB) ON SOME VEHICLES HAS THE CONNECTOR PIN LOCATION WIRED WHERE PIN LOCATION 44 SHOULD BE WIRED, CAUSING TRAILER'S SIDE AND OUTER MARKER LAMPS, IF WIRING HARNESS IS INSTALLED, NOT TO ILLUMINATE. MODEL 2014 LR4 (L319). *PE
SB-SGI-14-142014-11-22. Service bulletin. LAND ROVER: AN INCORRECT PIN ASSIGNMENT, PIN 1 LOCATION WIRED IN ERROR WHERE PIN 44 LOCATION SHOULD BE WIRED, IN CENTRAL JUNCTION BOX (CJB), CAUSES SIDE AND OUTER MARKER LAMPS NOT TO ILLUMINATE ON TRAILER, IF TRAILER WIRING HARNESS IS INSTALLED. MODEL LR4. *PE