# Service bulletin LTB01058NAS1

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: 10125242
- Published by NHTSA: 2017\-12\-14
- Manufacturer's number: LTB01058NAS1
- Manufacturer's date: 2017\-07\-14
- NHTSA component: SUSPENSION

## NHTSA's summary

SITUATION: The air suspension may not raise/lower with a warning message displayed on the Instrument Cluster \(IC\). Upon further investigation, Diagnostic Trouble Code \(DTC\) C1A13\-54 may be stored.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10125242-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10125242-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Trouble codes named

C1A13

## Vehicles listed

- 2015 LAND ROVER LR4

## Other bulletins for the same vehicles and component

- [LTB00401NAS6](/bulletins/10134896.md), 2018-04-23, Service bulletin: SUSPENSION; WHEELS; STEERING. The steering wheel may exhibit a vibration / shimmy while driving.
- [SSM73071](/bulletins/10117023.md), 2017-09-08, Service bulletin: SUSPENSION. Issue: A number of reports have been received stating the air suspension compressor is noisy. When the returned components are tested they are found to have no faults.
- [LTB00793NAS1](/bulletins/10105736.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 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."
- [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.
- [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."
- [LTB00735NAS1](/bulletins/10103662.md), 2017-06-06, Service bulletin: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. "SITUATION: A 'KNOCK' SOUND FROM THE FRONT SUSPENSION MAY BE EVIDENT WHEN TRAVELING ON UNEVEN ROAD SURFACES OR DURING LOW\-SPEED HEAVY BRAKING. CAUSE: THIS MAY BE CAUSED BY EXCESSIVE FRONT SUSPENSION LOWER ARM REAR BUSH SNUBBER MOVEMENT."
- [LTB00793NAS3](/bulletins/10097249.md), 2017-04-12, Service bulletin: SUSPENSION. 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.
- [SGI\-15\-15](/bulletins/10058487.md), 2015-09-26, Service bulletin: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. LAND ROVER: DUE TO TORQUE SPECIFICATION BEING INCORRECTLY LISTED IN SERVICE INSTRUCTION, THE FRONT SUSPENSION LOWER CONTROL ARM TO KNUCKLE BOLT\(S\) HAS FAILED, IN CERTAIN VEHICLES. NO MODEL OR YEARS LISTED. \*PE

JSON: [/v1/bulletins/10125242](/v1/bulletins/10125242)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20LTB01058NAS1&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10125242&vehicle=Service%20bulletin%20LTB01058NAS1)