SSM74039

9/4/2018
SSM74039 - RFA cannot communicate with SDD when programming module as new | TOPIx
Reference
SSM74039
Models
Discovery Sport / L550
Range Rover / L405
Range Rover Evoque / L538
Range Rover Sport / L494
Title
RFA cannot communicate with SDD when programming module as
new
Category
Electrical
Last modified
03-Sep-2018 00:00:00
Symptom
205000 Electrical Accessories
Content
Issue: Following fitment of a new Remote Function Actuator
(RFA) labelled with any of the part numbers below, Symptom
Driven Diagnostics (SDD) does not appear to communicate with
the RFA:
FK72-19H440-AE
FK72-19H440-BE
FK72-19H440-AF
FK72-19H440-BF
Following models only affected:
L538 Range Rover Evoque 14MY onwards
L550 Discovery Sport 15MY onwards
L494 Range Rover Sport 14MY onwards
L405 Range Rover 14MY onwards
Cause: The new RFA module supplied is manufactured with preflashed software for ‘DUAL CAN’ vehicles. These vehicles are
‘MULTICAN’ and not ‘DUAL CAN’ and will not communicate with
SDD for programming or update without completing the action
instructions detailed below.
Action: If the concern described above appears during diagnosis
and repair, carry out the following steps:
1. Place the smart key against the Immobilizer Antenna Unit (IAU)
and switch the ignition on.
2. With the vehicle in park disengage the Electronic Parking Brake
(EPB).
3. Remove and refit the 5 Amp fuse for the RFA (rear junction box
fuse 57 - L494/ L405) (central junction box fuse 17 - L538/ L550).
4. Re-fresh the data collect and confirm if the RFA is now
communicating.
5. Select Configure new modules - Keyless vehicle module and
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9/4/2018
SSM74039 - RFA cannot communicate with SDD when programming module as new | TOPIx
follow the on screen instructions in SDD.
NOTE: If the ignition cannot be switched on by placing the Smart
Key against the IAU, complete the following steps:
1. Remove the 5 Amp fuse for the RFA.
2. Run the immobilization procedure.
3. When the ignition switches on and the vehicle in park,
disengage the parking brake and immediately refit the RFA fuse.
4. Re-fresh the data collect and confirm if the RFA is now
communicating.
5. Select Configure new modules - Keyless vehicle module and
follow the on screen instructions in SDD.
6. If the RFA is still not communicating, continue with diagnosis
with reference to TOPIx Workshop Manual
Technicians - Please rate this SSM and provide comments so that
future communications can be improved.
1 = Poor – Basic information provided – The SSM does not help
me resolve the customer concern.
3 = Average – Adequate information provided – The SSM partially
helps me resolve the customer concern.
5 = Excellent – All required information provided to resolve the
customer concern.
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