Manual:LAND ROVER Range Rover Supercharged 2015Page:49209 / 73010

Unknown Diagnostic Trouble Codes (DTC) Being Displayed In Pathfinder (SSM75354) — 2015 Land Rover Range Rover Supercharged Service Manual

Unknown Diagnostic Trouble Codes (DTC) Being Displayed In Pathfinder (SSM75354)

WARNING: This page is about the Range Rover Base, which is a different variant/trim than selected.

Publication date: 2021-04-14
Reference number: SSM75354

UNKNOWN DIAGNOSTIC TROUBLE CODES (DTC) BEING DISPLAYED IN PATHFINDER

TECHNICAL SERVICE BULLETIN

Reference Number(s): SSM75354, Date of Issue: April 14, 2021

LAND ROVER:	Defender/L663; Discovery/L462; Discovery Sport/L550; New Range Rover Evoque/L551; Range Rover/L405; Range Rover Evoque/L538; Range Rover Sport/L494; Range Rover Velar/L560
SERVICE CATEGORY:	Diagnostic Software Hardware

ISSUE

PATHFINDER is unable to decode some Diagnostic Trouble Codes (DTC), as result 'Unkown DTC' is displayed.

CAUSE

PATHFINDER does not have the required information to decode the reported DTC. This concern is currently being investigated by the PATHFINDER engineering department.

Interim Containment Action (ICA):

Global Diagnostic Support (GDS) have built an application that will decode the majority of these 'Unknown DTC' using a Generic Standard List of DTCs

NOTE: This application will only be displayed in English and is not translated, we also recommend that any DTC that is decoded by the DTC Decoder should be checked in TOPIx for a detailed description of the DTC.

When the manual patch has been installed a new application will be added to PATHFINDER which can be found by selecting 'ECU Diagnostics - Service - DTC Decoder'.

When selecting the DTC Decoder you will be presented with operator information that informs you that the application will be using a 'Generic Template' and this application should only be used when you have a 'Unknown DTC' displayed in the ECU menu.
Select 'Next'
You will be presented with a screen that you will need to enter the module acronym that was displayed as an 'Unknown DTC' in the ECU Menu.
For example, Power Control Module add 'PCM'
For example, Gateway Module add 'GWM'
Once you have entered the module acronym, select 'Select'
You will then be provided with a screen that will display the DTC Information that will contain:
DTC HEX value
DTC (Decoded value)
Description
Additional Information

ACTION

This workaround will load a software file to the Jaguar Land Rover Approved Diagnostic Equipment using the Manual Patch Update process.

This Manual Patch will stay on the JLR Approved Diagnostic Equipment.

NOTE: When an update has been applied to the JLR Approved Diagnostic Equipment, this Manual Patch will need to be re-applied until the permanent corrective action is delivered.

NOTE:

If MP_PF_R0171 is NOT displayed in the PATHFINDER header screen, complete the actions detailed below from step 1.
If MP_PF_R0171 IS displayed in the PATHFINDER header screen, complete the actions detailed below from step 5.

To apply the Manual Patch please, complete the instructions carefully.

Select the 'Manual Patch' Icon on the Application Launcher screen. You will see a pop-up for the Manual Patch downloader.
Enter 'MP_PF_R0171' in the 'Patch Name' field.
Select 'Start' and the Manual Patch will download.
Select 'Yes' when the patch download is finished.
Start a new PATHFINDER session.
Select "Service"
Select "DTC Decoder"
Once you have the DTC that has been decoded please check this DTC in TOPIx

If this Manual Patch fails to correct the concern, a Technical Assistance (TA) should be submitted using the manual patch number as a reference within the customer concern field, also quoting the communication reference number that the patch was taken from.

PERMANENT CORRECTIVE ACTION

Once the permanent corrective action has been released, this communication and Manual Patch will be expired. An updated communication will be released detailing which JLR Approved Diagnostic Equipment version includes the permanent corrective action.