Additional Force Required To Operate The Horn (LTB00608V3)
WARNING: This page is about the LR4 Base, which is a different variant/trim than selected.
Publication date: 2014-07-11Reference number: LTB00608V3
ADDITIONAL FORCE REQUIRED TO OPERATE THE HORN
TECHNICAL SERVICE BULLETIN
Reference Number(s): LTB00608v3, Date of Issue:
July 11, 2014
Superceded Bulletin(s): LTB00608v2/2014, Date of Issue:
January 06, 2014
| LAND ROVER: | 2010-2013 Range Rover Sport (LS), Discovery 4/LR4 (LA); 2010-2012 Range Rover (LM); 2013 Freelander 2/LR2 (LF), Freelander 2/LR2 (LF) |
| SECTION: | 413-00 |
| AFFECTED VEHICLES: | Range Rover Sport (LS) Model Year: 2010-2013 VIN: AA215623-DA814822; Discovery 4/LR4 (LA) Model Year: 2010-2013 VIN: AA513326-DA686190; Range Rover (LM) Model Year: 2010-2012 VIN: AA306627-CA393639; Freelander 2/LR2 (LF) Model Year: 2013 VIN: DH321215-DH371766; Freelander 2/LR2 (LF) Model Year: 2013 VIN: DL910302-DL910984 |
NOTE:
This bulletin supersedes TS BLTB00608v3 dated 06 JAN 2014, which should either be destroyed or clearly marked to show it is no longer valid (e.g. with a line across the page). Only refer to the electronic version of this Technical Bulletin in TOPIx.
MARKETS
Azerbaijan, China, India, Ukraine, Lebanon and Sri Lanka Only.
CONDITION SUMMARY
Situation: Additional force required to operate the horn, the horn will work if the horn pad is pushed with sufficient force. This version has been issued to add Land Rover Freelander 2 models and make changes to the Parts, Warranty and Service Instruction sections.
Cause: Contacts in the horn pad are wearing out. Suggested Customer Concern Code - A34.
Action: Should a customer express concern, follow the Service Instruction outlined below.
PARTS
NOTE:
Always refer to Microcat for full description of part specification and any supersession.
NOTE:
Land Rover Freelander 2 only, order left and right horn switches and either a heated or non heated harness.
NOTE:
Land Rover Discovery 4 and Range Rover Sport - Always install the new switch as supplied with the attached link harness.
NOTE:
All vehicles - Switches must be replaced as a pair.
NOTE:
Gloss black and piano black are the same finish, they are just listed differently in Microcat
PARTS INFORMATION
| LR050897 | Freelander 2 Steering wheel harness, non heated | Quantity: 1 |
| LR050898 | Freelander 2 Steering wheel harness, heated | Quantity: 1 |
| LR050955 | Freelander 2 Steering wheel switch, Left, basic, non heated | Quantity: 1 |
| LR050956 | Freelander 2 Steering wheel switch, Left, with speed control | Quantity: 1 |
| LR050957 | Freelander 2 Steering wheel switch, Left, piano black | Quantity: 1 |
| LR050903 | Freelander 2 Steering wheel switch, Right, non heated, no phone | Quantity: 1 |
| LR050904 | Freelander 2 Steering wheel switch, Right, with phone, non heated | Quantity: 1 |
| LR050907 | Freelander 2 Steering wheel switch, Right, gloss black, non heated, with manual speed control | Quantity: 1 |
| LR050909 | Freelander 2 Steering wheel switch, Right, heated, with speed control | Quantity: 1 |
| LR050910 | Freelander 2 Steering wheel switch, Right, heated, with phone, with speed control | Quantity: 1 |
| LR050911 | Freelander 2 Steering wheel switch, Right, heated, piano black, with phone, with speed control | Quantity: 1 |
| LR050900 | Discovery 4 Steering wheel switch, Left, No speed control. | Quantity: 1 |
| LR050901 | Discovery 4 Steering wheel switch, Left, manual speed control. | Quantity: 1 |
| LR050903 | Discovery 4 Steering wheel switch, Right, Non heated, No Phone | Quantity: 1 |
| LR050904 | Discovery 4 Steering wheel switch, Right, non heated, with Phone | Quantity: 1 |
| LR050905 | Discovery 4 Steering wheel switch, Right, heated, with Phone. | Quantity: 1 |
| LR050906 | Discovery 4 Steering wheel switch, Right, Heated, No Phone. | Quantity: 1 |
| LR050907 | Discovery 4 Steering wheel switch, Right, gloss black, non heated, with manual speed control | Quantity: 1 |
| LR050908 | Discovery 4 Steering wheel switch, Right, gloss black, heated, with voice input system | Quantity: 1 |
| LR050909 | Discovery 4 Steering wheel switch, Right, heated, with speed control | Quantity: 1 |
| LR050910 | Discovery 4 Steering wheel switch, Right, heated, with phone, with speed control | Quantity: 1 |
| LR050911 | Discovery 4 Steering wheel switch, Right, heated, gloss black, with phone, with speed control | Quantity: 1 |
| LR056642 | Range Rover Sport Steering wheel switch, Left, Manual speed control | Quantity: 1 |
| LR056643 | Range Rover Sport Steering wheel switch, Left, Auto speed control | Quantity: 1 |
| LR056644 | Range Rover Sport Steering wheel switch, Right, Non heated | Quantity: 1 |
| LR056645 | Range Rover Sport Steering wheel switch, Right, Heated. | Quantity: 1 |
| LR057122 | Range Rover Left, Horn + Manual Cruise Control + Control for Audio System | Quantity: 1 |
| LR057123 | Range Rover Left, Horn + Control for Audio + Adaptive Cruise Control. | Quantity: 1 |
| LR057124 | Range Rover Right, Horn + Control for cluster LCD Screen + Phone Send/End + Voice + Navigation repeat | Quantity: 1 |
| LR057125 | Range Rover Right, Horn + Control for Cluster LCD Screen + Phone Send/End + Voice + Heated Steering Wheel | Quantity: 1 |
| YRV000050 | Range Rover - Crimp connector | Quantity: 1 |
| 418234 | Range Rover - Repair wire | Quantity: 1 |
TOOLS
No Tools Required
WARRANTY
NOTE:
Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only. Always refer to TOPIx to obtain the latest repair time.
NOTE:
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
| DESCRIPTION | SRO | TIME (HOURS) | CONDITION CODE | CAUSAL PART |
|---|---|---|---|---|
| Land Rover Discovery 4 (LA) and Range Rover Sport (LS) switch unit - steering wheel - renew | 57.61.02 | 0.2 | 42 | LR030358 |
| Land Rover Discovery 4 (LA) and Range Rover Sport (LS) switch unit - steering wheel - extra each renew | 57.61.02.01 | 0.1 | 42 | LR030358 |
| Land Rover Freelander 2 (LF) switch unit - steering wheel - renew | 57.61.02 | 0.2 | 42 | LR030355 |
| Land Rover Freelander 2 (LF) switch unit - steering wheel - extra each renew | 57.61.02.01 | 0.1 | 42 | LR030355 |
| Range Rover (LM) Switch unit - steering wheel - | 57.61.02 | 0.2 | 42 | LR029644 |
| Range Rover (LM) Switch unit - steering wheel - extra each renew - | 57.61.02.01 | 0.1 | 42 | LR029644 |
| Range Rover (LM) - Airbag wiring modification - | 05.10.20 | 0.2 | 42 | LR029551 |
NOTE:
Normal Warranty policies and procedures apply.
SERVICE INSTRUCTION
NOTE:
Land Rover Freelander 2 only, order left and right horn switches and either a heated or non heated harness.
All vehicles.
- Remove the steering wheel air bag (see TOPIx Workshop Manual, section 501-20).
All vehicles except Range Rover (LM)
-
NOTE: Switches must be replaced as a pair.NOTE: Land Rover Discovery 4 and Range Rover Sport - Always install the new switch as supplied with the attached link harness.
Replace both steering wheel switch packs.
For Range Rover (LM)
-
NOTE: Switches must be replaced as a pair.
- Remove both steering wheel switch packs.
- Locate the white 2 pin connector on the right switch pack. Open the connector ready to install the repair wire.
- Install the repair wire into the vacant cavity number 2.
- Locate the white four pin plug on the airbag wiring harness. Separate out the red wire from pin 4.
- Using the harness repair kit create a spliced joint between the red wire and the repair wire (see TOPIx Workshop Manual, section 418-02).
- Install the repair wire into the airbag wiring harness with insulating tape.
All vehicles.
- Install the steering wheel air bag (see TOPIx Workshop Manual, section 501-20).




