Invalid Key Failure Message Displayed When Completing 'Replace ECU' On A Security Related Module (SSM74255)

Publication date: 2019-01-29
Reference number: SSM74255

INVALID KEY FAILURE MESSAGE DISPLAYED WHEN COMPLETING 'REPLACE ECU' ON A SECURITY RELATED MODULE

TECHNICAL SERVICE BULLETIN

Reference Number(s): SSM74255, Date of Issue: February 13, 2019

LAND ROVER:	Discovery/L462; Discovery Sport/L550; Range Rover/L405; Range Rover Evoque/L538; Range Rover Sport/L494; Range Rover Velar/L560
SERVICE CATEGORY:	Diagnostic Software Hardware

ISSUE

Invalid Key Failure Message Displayed When Completing 'Replace ECU' On A Security Related Module

When attempting to complete 'Replace ECU' application on the following modules, the application fails to complete with the error 'Invalid Key' displayed.

Body Control Module (BCM)
Gateway Module (GWM)
Instrument Cluster (IPC)
Remote Function Actuator (RFA)
Vehicle Immobiliser Module (VIM)

CAUSE

PATHFINDER is attempting to use the incorrect security constants.

ACTION

This has now been resolved with the release of PATHFINDER 217, the manual patch has now been expired.

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