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Service bulletins for the 2010 Land Rover LR4

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.

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

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Only bulletins with component: Air suspension are shown. Show all

Bulletins, newest first
SSM457142017-06-12. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM:WIRING. "RE-ISSUED DEC 2015. ISSUE: UNNECESSARY REPLACEMENT OF HEIGHT SENSORS ON 10 MY VEHICLES. INFORMATION: THE AIR SUSPENSION RIDE LEVEL MODULE (RLM) AND ACTIVE DYNAMICS SUSPENSION MODULE B (SUMB) ECU'S INCLUDE ROBUST CHECKS OF THE HEIGHT SENSORS DURING VEHICLE USAGE. IF THERE IS A FAULT WITH THE HEIGHT SENSOR WIRING HARNESS, CONNECTOR, OR THE HEIGHT SENSOR COMPONENT ITSELF THEN THE SYSTEM ECU WILL STORE A HEIGHT SENSOR RELATED DTC."
LTB00420NAS32017-06-01. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "SITUATION: THE AIR SUSPENSION WARNING LAMP MAY BE ILLUMINATED, THE AIR SUSPENSION MAY FAIL TO RAISE THE VEHICLE, AND DIAGNOSTIC TROUBLE CODE (DTC) C1A20-64 MAY BE STORED. VEHICLES WITHIN THE ABOVE VIN RANGES HAVE BEEN FITTED WITH EITHER A HITACHI OR AN OLD-DESIGN AMK SUSPENSION COMPRESSOR."
SSM580772017-05-31. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "RE-ISSUED FEBRUARY 2014. ISSUE: LAND ROVER ARE CURRENTLY EVALUATING REPORTS WHERE DIAGNOSIS HAS LED TO A CONCERN WITH THE AIR SUSPENSION VALVE BLOCK ON DISCOVERY 4/ RANGE ROVER SPORT 10MY ONWARDS. CAUSE: CURRENTLY UNDER INVESTIGATION."
SSM632772017-05-26. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM:WIRING. "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"
SSM-549972012-04-11. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. LAND ROVER: THE COMPRESSOR EXHAUST VALVE MAY BE CAUSE OF THE AIR SUSPENSION WARNING LAMP TO BE ILLUMINATED AND A POSSIBLE ELECTRICAL FAILURE. *PE
TB-003312011-06-01. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. LAND ROVER: WHEN REPAIRING OR REPLACING THE AIR SUSPENSION COMPRESSOR THE AIR SUSPENSION RELAY MUST BE REPLACED. *RM
LTB-002692011-02-05. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. LAND ROVER: AIR SUSPENSION SYSTEM-COMPRESSOR DELIVERY VALVE AND DRIER REPLACEMENT; SOFTWARE UPDATE. AMBER OR RED SUSPENSION SYSTEM WARNING INDICATOR MAY ILLUMINATE AND SUSPENSION SYSTEM INACTIVE MAY DISPLAY IN THE MESSAGE CENTER OR THERE MAY BE A NOTICEABLE DEGRADATION OF SUSPENSION SYSTEM PERFORMANCE. *PE

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