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Service bulletin LTB00793NAS2

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 id10105682
Published by NHTSA2017-06-08
Manufacturer's numberLTB00793NAS2
Manufacturer's date2016-04-15
NHTSA componentSUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

NHTSA's summary

SITUATION: THE AIR SUSPENSION SYSTEM MAY NOT RAISE/LOWER WITH A WARNING DISPLAYED ON THE INSTRUMENT CLUSTER AND DIAGNOSTIC TROUBLE CODE (DTC) C1A13-64 MAY BE STORED.

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

Suspension, Air suspension

Trouble codes named

C1A13

Vehicles listed
LAND ROVER LR42015, 2016
LAND ROVER RANGE ROVER2015, 2016
LAND ROVER RANGE ROVER SPORT2014, 2015, 2016

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
SSM718492023-07-17. Service bulletin. A customer may complain that either "Vehicle Raising In Progress" or "Suspension Will Rise When System Is Cooled" messages can be seen. Fault codes U210A - 16 and C1A24 - 67 may also be stored.
LTB00604NAS42021-12-13. Service bulletin. Technical Bulletin: Front Air Spring Damper Hydraulic Fluid Leak
LTB00604NAS32021-12-13. Service bulletin. Technical Bulletin: Front Air Spring / Damper Hydraulic Fluid Leak 2013-14 Onwards
LTB00604NAS22021-12-13. Service bulletin. Technical Bulletin: Front Air Spring/Damper Hydraulic Fluid Leak 2013-2014 Onwards
LTB01171NAS22018-10-15. Service bulletin. Suspension Warning Lamp Illuminated With DTC C1A13-64 Stored
LTB01171NAS22018-09-17. Service bulletin. Suspension Warning Lamp Illuminated With DTC C1A13-64 Stored
LTB00604NAS52017-06-13. Service bulletin. "SITUATION: A 'KNOCK' SOUND FROM ONE OR BOTH FRONT AIR SPRINGS WHEN TRAVELING OVER SPEED BUMPS AT LOW SPEED MAY BE EVIDENT. UPON DIAGNOSIS, INCLUDING REMOVAL OF THE AIR SPRING AND INVERTING IT FOR A PERIOD OF APPROXIMATELY ONE MINUTE, HYDRAULIC FLUID IS FOUND TO FLOW FROM THE AIR SUSPENSION PIPE 'VOSS' CONNECTOR."
LTB00793NAS12017-06-08. Service bulletin. "SITUATION: THE AIR SUSPENSION SYSTEM MAY NOT RAISE/LOWER WITH A WARNING DISPLAYED ON THE INSTRUMENT CLUSTER AND DIAGNOSTIC TROUBLE C ODES (DTC ) C 1A13-64, C 1A36-01, AND/OR C 1A24-67 MAY BE STORED. CAUSE: THIS MAY BE CAUSED BY THE EXHAUST VALVE WITHIN THE AIR SUSPENSION SYSTEM COMPRESSOR 'STICKING' DUE TO MANUFACTURING ISSUES."
SSM720502017-06-06. Service bulletin. "ISSUE: FOLLOWING REPLACEMENT OF FRONT AIR STRUTS (FOR EXAMPLE PERFORMING LTB604V3/SSM71942) DEALERS / CUSTOMER MAY REPORT A NOISE OR A VEHICLE LEAN ERROR STATE. ON INVESTIGATION THE FRONT AIR SPRING IS FOUND TO BE MISALIGNED AND DAMAGED. SEE ATTACHED PHOTO CAUSE(S): INFLATION OF AIR SUSPENSION AIR SPRINGS WITH THE VEHICLE ON THE GROUND (NOT ON A WHEEL FREE LIFT) CAN CAUSE MISALIGNMENT AND CREASING OF THE AIR BAG. THE INFLATION PRESSURES ACTING ON THE CREASED AIR BAG CAN CAUSE PERMANENT DAMAGE."
SSM721432017-06-06. Service bulletin. "CONCERN: CUSTOMER COMPLAINS OF MULTIPLE WARNING INDICATORS ILLUMINATED UPON START UP OF THEIR VEHICLE. ""AIR SUSPENSION INNACTIVE"" AND OR ""SPECIAL PROGRAMS OFF"" WARNING MESSAGES MAY APPEAR IN THE INSTRUMENT CLUSTER MESSAGE CENTER. SUBSEQUENTLY, THE AIR SUSPENSION / RIDE LEVEL MODULE (RLM IN SDD) FLAGS U0416-68 AND THE ALL TERRAIN CONTROL MODULE (ATCM IN SDD) FLAGS U0415-68."