L663 NFSM (Near Field Sensing Module) Being Replaced Unnecessarily (SSM75369)

Publication date: 2021-04-22
Reference number: SSM75369

L663 NFSM (NEAR FIELD SENSING MODULE) BEING REPLACED UNNECESSARILY

TECHNICAL SERVICE BULLETIN

Reference Number(s): SSM75369, Date of Issue: April 22, 2021

LAND ROVER:	Defender/L663
SERVICE CATEGORY:	Electrical

ISSUE

Retailers are not following the current workshop manual instructions for DTCs flagging against NFSM.

NOTE: Engineering request retailers not to replace the NFS module as this is a software concern and a new module will not permanently fix the concern.

CAUSE

Due to a software issue technicians will see DTC U3000-49 &/or U3000-63 flagging for the NFSM.

ACTION

Do not replace the NFSM module.

This procedure requires a minimum of Pathfinder (325) loaded or later.

Connect the JLR approved battery support unit.
Connect the JLR approved diagnostic equipment to the vehicle and begin a new session.
Follow the JLR approved diagnostic equipment prompts.
Select 'ECU Diagnostics'.
Select 'NFSM'
Select 'Update ECU'.
Follow all on-screen instructions to complete the task.
When all of the tasks are complete, exit the session.
Disconnect the JLR approved diagnostic equipment and the JLR approved battery support unit.
Confirm NFSM now shows 'L8B2-19J243-BP' against the F188 value.
Perform a full shutdown
Retest the vehicle

NOTE: If the DTCs are still flagging post software update please raise a Technical Assistance (TA) using this SSM number as a reference within the customer concern, quoting EES_320 for further assistance.