Service bulletins for the 2014 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.
333 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Heating and air conditioning are shown. Show all
| LTB00693NAS2 | 2017-06-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SITUATION: INADEQUATE A/C PERFORMANCE MAY BE EXHIBITED. UPON INSPECTION, LOW PRESSURE IS RECORDED ON THE HIGH PRESSURE SYSTEM, HIGH PRESSURE IS RECORDED ON THE LOW PRESSURE SYSTEM, AND THE COMPRESSOR CLUTCH (WHERE APPLICABLE) IS WORKING PROPERLY. |
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| LTB00963NAS1 | 2017-06-13. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL. SITUATION: THE CLIMATE CONTROL SYSTEM MAY NOT BE ABLE TO ACHIEVE THE SELECTED TEMPERATURE, FAILING TO MEET THE DESIRED EXPECTATION. |
| LTB00858NAS1 | 2017-06-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "SITUATION: A HIGH-PITCHED 'WHISTLE' NOISE MAY BE EVIDENT FROM THE INSTRUMENT PANEL AREA WHEN THE CLIMATE CONTROL SYSTEM IS IN USE AND ENGINE SPEED IS BETWEEN 2,000 AND 3,000 RPM. CAUSE: THIS MAY BE CAUSED BY A RESONANCE WITHIN CLIMATE CONTROL SYSTEM AIR CONDITIONING (A/C) PIPES." |
| SSM72330 | 2017-06-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; EQUIPMENT:ELECTRICAL. "ISSUE: THE MESSAGE ""RADAR SENSOR BLOCKED"" APPEARS IN INSTRUMENT PACK DISPLAY. IF BLOCKAGE OCCURS WHILE ACC IS BEING USED, “DRIVER INTERVENE” AND/OR ""RADAR SENSOR BLOCKED"" MESSAGE WILL APPEAR ON THE CLUSTER AND DTC C1A67-97 SET. BLOCKAGE CAN ALSO OCCUR WHEN ACC IS NOT BEING USED. CAUSE: ""RADAR SENSOR BLOCKED"" INDICATES THAT THE ADAPTIVE SPEED CONTROL SYSTEM'S VISIBILITY HAS BEEN REDUCED DUE TO AN OBSTRUCTION. ACC CONTINUALLY SCANS FOR OBJECTS AHEAD AND, IF IT SEES NO OBJECTS I.E. VEHICLES, ROAD SIGNS, LAMP POSTS, GUARD RAILS ETC., IT WILL INDICATE A BLOCKAGE EVEN IF THE ACC IS NOT USED. THE C1A67-97 DTC FLAGS A RADAR BLOCKAGE SITUATION AND NOT A SYSTEM FAULT." |
| LTB00693NAS1 | 2017-06-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. "SITUATION: INADEQUATE A/C PERFORMANCE MAY BE EXHIBITED. UPON INSPECTION, LOW PRESSURE IS RECORDED ON THE HIGH PRESSURE SYSTEM, HIGH PRESSURE IS RECORDED ON THE LOW PRESSURE SYSTEM, AND THE COMPRESSOR CLUTCH (WHERE APPLICABLE) IS WORKING PROPERLY. CAUSE: THIS MAY BE CAUSED BY THE A/C COMPRESSOR DIRECT PRESSURE SENSING (DPS) VALVE BEING WORN." |
| SSM67637 | 2017-06-01. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. "ISSUE: LAND ROVER ENGINEERING HAVE BEEN MONITORING REPORTS FOR LACK OF COOLING FROM THE AIR CONDITIONING SYSTEM ON HIGHER TIME IN SERVICE VEHICLES, WHERE INSUFFICIENT PERFORMANCE OF THE AIR CONDITIONING COMPRESSOR HAS BEEN FOUND TO BE THE ROOT CAUSE OF THE ISSUE. COMPRESSOR PART NO. LR010723 & LR013934" |
| LTB00593NAS1 | 2017-05-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "SITUATION: AN ODOR MAY BE PRESENT WHEN THE CLIMATE CONTROL SYSTEM IS SWITCHED 'ON'. CAUSE: THIS MAY BE CAUSED BY MOLD SPORE ACCUMULATION / BUILD-UP IN THE FRONT EVAPORATOR CORE." |
| SSM67637 | 2017-05-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "ISSUE: LAND ROVER ENGINEERING HAVE BEEN MONITORING REPORTS FOR LACK OF COOLING FROM THE AIR CONDITIONING SYSTEM ON HIGHER TIME IN SERVICE VEHICLES, WHERE INSUFFICIENT PERFORMANCE OF THE AIR CONDITIONING COMPRESSOR HAS BEEN FOUND TO BE THE ROOT CAUSE OF THE ISSUE. COMPRESSOR PART NO. LR010723 & LR013934 ACTION: THE COMPRESSOR SUPPLIER IN CONJUNCTION WITH LAND ROVER ENGINEERING HAVE MADE IMPROVEMENTS TO THE COMPRESSORS TO IMPROVE THEIR SERVICE LIFE AND RELIABILITY, AND TWO IMPROVED COMPRESSORS HAVE BEEN SUPPLIED TO PARTS OPERATIONS LR010723 SUPERSEDES TO LR056364 LR013934 SUPERSEDES TO LR056365 PLEASE ENSURE THAT THE LATER PART NUMBER IS FITTED TO ANY VEHICLE THAT IS SUFFERING FROM LACK OF COMPRESSOR PERFORMANCE." |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.