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G'day mate welcome aboard

Disconnect the battery for 30 minutes or so.
That will reset the Sub Tank Computer.

If it faults out again then you will need to read the code as per the service manual.

If there is no code...

gday Gavin, welcome aboard mate..... got a good bunch of folk on here willing to help if and when they can

Yes my Sub tank switch has a light on it that stays on while the sub tank is transferring and then turns off automatically when complete. The transfer is very very slow.

Welcome mate, surely the best forum on the net. If you need it, you can get it, if you want to know it, just ask it. If you want to find it, go to the search bar for a universe of information. Enjoy...

Welcome to the forum mate

Someone may be asking this one day so thought I would put it on the forum for reference.

Nissan Patrol models and date of manufacturing.

Make: Nissan Patrol
Model: GU Mk2 Patrol
...

Engines covered;
TB42S
TB45E
TB48DE
RD28ETi
ZD300DDTi
TD42Ti

Thanks to Todd, we now have the full Nissan Patrol Gu Y61 service manual including the following supplements.