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Trailer Brake Control Module Wiring (LTB00913NAS)

Publication date: 2016-05-06
Reference number: LTB00913NAS

TRAILER BRAKE CONTROL MODULE WIRING

TRAILER BRAKE CONTROL MODULE WIRING

TECHNICAL SERVICE BULLETIN

Reference Number(s): LTB00913NAS, Date of Issue:  MAY 6, 2016
LAND ROVER: 2014 Onwards Range Rover Sport (LW); 2013 Onwards Range Rover (LG)
SECTION: 418-00
AFFECTED VEHICLES: Range Rover Sport (LW) Model Year: 2014 Onwards VIN: 001154 Onwards Assembly Plant: Solihull With: Trailer Socket; Range Rover (LG) Model Year: 2013 Onwards VIN: 001204 Onwards Assembly Plant: Solihull With: Trailer Socket

SERVICE INFORMATION

MARKETS: 

NAS

CONDITION SUMMARY

Situation:  After installation of a towing accessory brake control module, the unit fails to power up and illuminate the display.

Cause:  The wiring requirements of the accessory module may not be fully compatible with the vehicle trailer brake control module connector C3AT18.

Action:  In the event of a customer concern of the above, follow the Service Instruction below to inspect the terminals in the connector housing C3AT18 to confirm they are in the location as detailed in the Service Instruction below. If not they may need to be re-wired to suit the application of the trailer accessory.

PARTS

No Parts Required

TOOLS

Refer to Workshop Manual/Service Instruction for any required special tools

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
Trailer brake control module connector - Rewire 86.71.89.57  0.2 42 LR050600
NOTE: Normal Warranty procedures apply.

COMPONENT LOCATION

NOTE: right-hand drive (RHD) shown; left-hand drive (LHD) similar.
  1. Component location.
    G10402232

SERVICE INSTRUCTION

CAUTION: use the appropriate tool from the wiring harness repair kit when removing the terminals from the connector housing (see TOPIx Workshop Manual, section 418-02: Wiring Harnesses).
  1. Remove the left-hand lower dash trim.
    G10402233
    NOTE: RHD shown; LHD similar.
  2. Locate connector C3AT18. 
    • The connector C3AT18  is installed on the side of the brake pedal mounting bracket.
      G10402234
  3. C3AT18  electrical connector housing.
    G10402235
  4. Remove the black (BK) wire from location 1 in the connector housing C3AT18  .
    G10402236
  5. Install the black (BK) wire into location 3 in the connector housing C3AT18  .
    G10402237
  6. Remove the blue (BU) wire from location 4 in the connector housing C3AT18  .
    G10402238
  7. Remove the green-red (GN-RD) wire from location 6 in the connector housing C3AT18  .
    G10402239
  8. Install the green-red (GN-RD) wire into location 4 in the connector housing C3AT18  .
    G10402240
  9. Install the blue (BU) wire into location 6 in the connector housing C3AT18  .
    G10402241
  10. Inspect the connector housing C3AT18  and make sure the wires are located:
    • CAVITY 1 - empty
    • CAVITY 2 - Brown (BN)
    • CAVITY 3 - Black (BK)
    • CAVITY 4 - Green-Red (GN-RD)
    • CAVITY 5 - Violet-Brown (VT-BN)
    • CAVITY 6 - Blue (BU)
  11. Install the left-hand lower dash trim.
    G10402242
  12. If possible, test and confirm the correct operation of the trailer brake functionality.
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