# Service bulletin LTB00438NAS1

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: 10043885
- Published by NHTSA: 2012\-05\-01
- Manufacturer's number: LTB00438NAS1
- Manufacturer's date: 2012\-05\-23
- NHTSA component: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

## NHTSA's summary

LAND ROVER: THE AIR SUSPENSION SYSTEM MAY BE INOPERATIVE, 'ELECTRONIC AIR SUSPENSION\- FAULT' MAY BE DISPLAYED IN THE MESSAGE CENTER, AND DIAGNOSTIC TROUBLE CODE \(DTC\) C1A36\-01 STORED IN THE AIR SUSPENSION CONTROL MODULE. \*JS

## 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

C1A36

## Vehicles listed

- 2010 LAND ROVER RANGE ROVER

## Other bulletins for the same vehicles and component

- [LTB00581NAS1](/bulletins/10204746.md), 2021-12-13, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS; UNKNOWN OR OTHER. Technical Bulletin: Front Air Spring \- Lower\-Level Repair Kit
- [SSM45714](/bulletins/10106023.md), 2017-06-12, 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."
- [SSM55817](/bulletins/10101223.md), 2017-05-31, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "RE\-ISSUED FEBRUARY 2014. ISSUE: ENGINEERING INVESTIGATION TO FRONT AIR SPRING FAILURES CAUSE: UNKNOWN AT THIS TIME"
- [LTB00581NAS1](/bulletins/10100929.md), 2017-05-26, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS. "SITUATION: A LOWER\-LEVEL SERVICE REPAIR KIT IS NOW AVAILABLE IN THE EVENT IT IS NECESSARY TO REPLACE THE FRONT AIR SPRING WHILE THE SHOCK ABSORBER IS STILL FUNCTIONAL. CAUSE: FRONT AIR SPRING REPLACEMENT."
- [LTB00581NAS1](/bulletins/10070654.md), 2016-06-13, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
- [TB\-00336](/bulletins/10037629.md), 2011-06-01, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. RANGE ROVER: THE SUSPENSION WARNING LIGHT MAY BE LIT. THERE ARE MANY POSSIBLE FAULT CODES CAUSED BY A VARIETY OF REASONS. \*RM
- [TB\-00331](/bulletins/10037628.md), 2011-06-01, 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\-00269](/bulletins/10034985.md), 2011-02-05, 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

JSON: [/v1/bulletins/10043885](/v1/bulletins/10043885)

[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%20LTB00438NAS1&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10043885&vehicle=Service%20bulletin%20LTB00438NAS1)