Unable To Unlock/Start Vehicle With Smart Key (SSM71870)

UNABLE TO UNLOCK/START VEHICLE WITH SMART KEY

TECHNICAL SERVICE BULLETIN

SERVICE INFORMATION

Symptom  203000 Basic Electrical

Attachments  1121 Instructions to record a CAN trace.pdf (1121 Instructions to record a CAN trace.pdt)

Non start RFA BCM RGTM - SSM flowchart 28_07_15.pdf (Non start RFA BCM RGTM - SSM flowchart 28_07_15.pdf)

Content 

Models affected 

Discovery 4/LR4 - L319 -13MY onwards

Range Rover (All New)/L405 - 13MY onwards

Range Rover Evoque/L538 - 13MY onwards

Range Rover Sport/L320 - 13MY

Range Rover Sport L494 (All new) - 14MY onwards

Freelander 2/LR2- L359 - 13 and 14MY

Discovery Sport/L550-16MY onwards

ISSUE

Land Rover are currently investigating Body Control Modules (BCM) and Remote Function Actuators (RFA) and associated components replaced for a non-start condition.

Following supplier analysis the modules have been categorised as "No Fault Found".

CAUSE

Currently under analysis.

ACTION

If a vehicle is presented with the following symptoms please follow the test procedure outlined below before consideration is given to component replacement:

Vehicle does not lock or unlock using the key fob, or passive entry exit is not functioning.

After gaining entry to the car using key blade it does not start.

Even if entry is possible to the car, the car does not start when start button is pressed.

The vehicle has not had a software download immediately prior to the failure.

Test procedure: 

Please follow the test procedure as detailed in the flowchart attached. Please note the details at all decision points. If this process is unsuccessful! in resolving the issue please submit a Technical Assistance(A) request.

Also attached is the process for obtaining a can trace.

Please Note: 

1. Do not disconnect the battery or perform a hard reset on the vehicle at least until this flow chart has been followed. 
2. Do not disconnect or move any connectors on the BCM 
3. If entry is gained in the vehicle with the key blade the alarm may sound, do not press the ignition switch to shut the alarm off instead muffle the alarm sounder first then follow the test process in the flowchart 

Instructions to record a CAN trace 

Pre-requisites 

To carry out a CAN link monitor recording you must ensure you have the appropriate SW version and Firmware version for the device under use  is updated as per the following procedure

SW= Software installed on tester (updated through Windows Start > All Programs > JLR > SDD > VCI Device Drivers)

FW= Firmware installed on device (updated through DA App Hub for DA devices & I-View Device Manager for I-View)

1. 1. VCM - N/A (automatically updated but DVD137+ recommended)
2. 2a. DA-Dongle - SW: V4.0/FW: V57
3. 2b. DA-Davina - SW: V4.0/FW: V57
4. 2c. DA-ST512 - SW: V4.0/FW: V57
5. 3. I-View - SW: V1.4.0/FW: V5.1.0
6. 4. MongoosePro JLR - SW: V1.1.12/FW: N/A (automatically updates)

To run the CAN Link Monitor without diagnostics in Symptom Driven Diagnostics (SDD): 

1. Select 'START' (Windows 7) or the Windows icon (Windows XP) from bottom tool bar.
2. Select 'All Programs'.
3. Select 'JLR'.
4. Select 'SDD'.
5. Select 'CAN Link Monitor'. A pop-up box will show.
6. Select 'Capture'.
7. Select 'Configure'.
8. Select the vehicle from the Platform drop-down menu.
9. Make sure both the Low Speed and High Speed CAN Networks are selected.#
10. Select "'MONITOR WITHOUT RUNNING DIAGNOSTICS' from the Filter range box
11. Insert USB Flash Drive into a USB port on the SDD machine.
12. Select the drive location for the USB Flash Drive from the Log File box.
13. Enter in the vehicle VIN as the File Name.
14. Select 'OK'.
15. Select 'CAPTURE'
16. Select 'START LOGGING'.A pop-up box will show 'Logging started successfully'.
17. Minimise the CAN Link Monitor window to the tool bar.
18. Start the vehicle function that needs to be monitored.
19. When the vehicle function has completed, select CAN Link Monitor tab from the tool bar.
20. Select 'CAPTURE'.
21. Select 'STOP LOGGING'. A pop-up window will display 'Logging stopped successfully'.
22. Locate the CAN Link Monitor file on the USB Flash Drive.
23. Open file and make sure the data has recorded correctly.
24. Close the file.
25. Remove the USB flash drive from SDD machine.