# Service bulletin TB\-00331

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: 10037628
- Published by NHTSA: 2011\-06\-01
- Manufacturer's number: TB\-00331
- Manufacturer's date: 2010\-12\-07
- NHTSA component: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

## NHTSA's summary

LAND ROVER: WHEN REPAIRING OR REPLACING THE AIR SUSPENSION COMPRESSOR THE AIR SUSPENSION RELAY MUST BE REPLACED. \*RM

## 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

- 2005 to 2009 LAND ROVER LR3
- 2010 LAND ROVER LR4
- LAND ROVER RANGE ROVER
- 2006 to 2010 LAND ROVER RANGE ROVER
- 2006 to 2011 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.
- [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."
- [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."
- [LTB00420NAS3](/bulletins/10102127.md), 2017-06-01, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "SITUATION: THE AIR SUSPENSION WARNING LAMP MAY BE ILLUMINATED, THE AIR SUSPENSION MAY FAIL TO RAISE THE VEHICLE, AND DIAGNOSTIC TROUBLE CODE \(DTC\) C1A20\-64 MAY BE STORED. VEHICLES WITHIN THE ABOVE VIN RANGES HAVE BEEN FITTED WITH EITHER A HITACHI OR AN OLD\-DESIGN AMK SUSPENSION COMPRESSOR."
- [SSM58077](/bulletins/10101224.md), 2017-05-31, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "RE\-ISSUED FEBRUARY 2014. ISSUE: LAND ROVER ARE CURRENTLY EVALUATING REPORTS WHERE DIAGNOSIS HAS LED TO A CONCERN WITH THE AIR SUSPENSION VALVE BLOCK ON DISCOVERY 4/ RANGE ROVER SPORT 10MY ONWARDS. CAUSE: CURRENTLY UNDER INVESTIGATION."
- [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"
- [SSM71038](/bulletins/10101082.md), 2017-05-30, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "ISSUE: CUSTOMERS MAY REPORT THAT AFTER PARKING THEIR VEHICLE, THE FRONT SUSPENSION IS LEANING OR THAT A MINOR AIR LEAK CAN BE HEARD FROM THE FRONT AIR SPRING ASSEMBLY. 5.0L S/C VEHICLES ONLY. AFFECTED VIN RANGE AA215623 \- DA814822."
- [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."
- [SSM63277](/bulletins/10100834.md), 2017-05-26, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM:WIRING. "ISSUE AIR SUSPENSION FAULT, WARNING LIGHT ON. FAULT CODES STARTING WITH C1A ESPECIALLY C1A36\-01 LOGGED. POSSIBILITY THAT ADDITIONAL WARNING LIGHTS MAY BE DISPLAYED AND ADDITIONAL FAULT CODES STORED. CAUSE THE HARNESS HAS BEEN INCORRECTLY ROUTED AND IS PRESSING AGAINST THE WASHER FILLER TUBE CAUSING INSULATION DAMAGE AND A SHORT CIRCUIT/OPEN CIRCUIT"

JSON: [/v1/bulletins/10037628](/v1/bulletins/10037628)

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