# Service bulletin LTB00793NAS1

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.

- Type: Service bulletin
- NHTSA id: 10105736
- Published by NHTSA: 2017\-06\-08
- Manufacturer's number: LTB00793NAS1
- Manufacturer's date: 2015\-09\-17
- NHTSA component: SUSPENSION: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 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."

## 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

## Vehicles listed

- 2015 LAND ROVER LR4
- 2015 LAND ROVER RANGE ROVER
- 2015 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [SSM71849](/bulletins/10239285.md), 2023-07-17, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. 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.
- [LTB00604NAS5](/bulletins/10106202.md), 2017-06-13, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "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."
- [LTB00793NAS2](/bulletins/10105682.md), 2017-06-08, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. 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.
- [SSM72050](/bulletins/10104641.md), 2017-06-06, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS. "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."
- [SSM72143](/bulletins/10103841.md), 2017-06-06, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM. "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."
- [SSM45144](/bulletins/10103461.md), 2017-06-06, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:SPRINGS/BAGS; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS. "ISSUE: A CUSTOMER MAY REPORT SUSPENSION LOW ON ONE SIDE OR DROPPING WHEN LEFT PARKED. CAUSE: AIR LEAK FROM A FRONT OR REAR AIR SPRING TO DAMPER LOWER SEAL."

JSON: [/v1/bulletins/10105736](/v1/bulletins/10105736)

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