Issue:
When an OBD equipment is connected to the vehicle, expected data is not returned.
Cause:
Gateway Module (GWM) not passing OBD data from Flexray to a diag-CAN tester (OBD equipment).
Action:
If the customer complains that the generic OBD equipment cannot read the vehicle data, follow the diagnostic steps below.
Check whether the GWM software version is KX63-14F642-BN
• If no, please troubleshoot according to the WSM;
• If yes, please follow the steps below to update the Gateway Module (GWM) software to the latest version.
1. CAUTIONS:
• This procedure requires a minimum of Pathfinder 310 installed or later.
• All ignition ON/OFF instructions must be followed. Failure to complete theseinstructions may cause damage to the vehicle control modules.
NOTE: The JLR approved diagnostic equipment will read the VehicleIdentification Number (VIN) for the vehicle and automatically take the vehicleout of ‘Transportation Mode’ if required.
    Connect the JLR approved battery support unit.
2. Connect the JLR approved diagnostic equipment to the vehicle and begin anew session.
3. Follow the JLR approved diagnostic equipment prompts.
• Select 'ECU Diagnostics'.
• Select 'Gateway Module 'A' [GWM]'.
• Select 'Update ECU'.
• Follow all on-screen instructions to complete the task.
4. If required, reset the vehicle to ‘Transportation Mode’.
5. When all of the tasks are complete, exit the session.
6. Disconnect the JLR approved diagnostic equipment and the JLR approvedbattery support unit.