Toyota Prado Recall (Code GGG38) ECM Reprogram

[Barnsos]

Hi all,
Have returned from trip to Central Coast NSW and managed fuel economy figures of 13.2 l/100 on way up and 12.7l/100 on way back to Melb towing loaded camper trailer. This is around 10 to15% better than a previous trip where we averaged 14.5 l/100 which is a good result.
The auto trans also seemed smoother overall and tended to hold onto 5th and 6th for longer periods than before again a good result.
Fuel economy with mainly short 50 60kmh trips is about 13l/100 so not much difference there.
Overall happy with update/recall.
Barnsos

[blackve]

1083 ks since ecu update and gearbox firmware update and averages 11.05/100. Not happy and that included about 400ks highway driving with the only mod a pioneer tray. I'll give it another tank and if no change will take back to Toyota.

that's odd, our 3L 2014 at 40k is running 8.5L average and does the school runs and highway work

[Phs]

Mine was Jan 2016 build and has had no gearbox firmware changes (just the DPF update). Has always used 6th as expected. Quite happy that it only uses 6th above about 80kph (sometimes less) since it seems a little less smooth if it tries to use 6th at less than 1500 rpm. I have previously posted that I think the 2.8 likes to have a occasional 'lively' run (run it up the revs, more throttle, decent length of trip) to keep it clear, but this is purely subjective. However, in a modern car we should not need to have to worry about this kind of thing.

There are a fair few theories, it's hard to say what is actually helping or not but I think Diesels like to be worked in general so opening her up is something I do regularly. I also think fuel and motor oil are also contributing factors to the DPF working effectively and efficiently

[cuda]

That 6 speed sounds like a dog, the old 5 speed locks 5th from 60 and holds.


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Yep seems to be. Toyota wont admit its an issue. 6th gear may as well not be there.

Thanks
cuda

[Symo]

That 6 speed sounds like a dog, the old 5 speed locks 5th from 60 and holds.


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[Micko2005]

1083 ks since ecu update and gearbox firmware update and averages 11.05/100. Not happy and that included about 400ks highway driving with the only mod a pioneer tray. I'll give it another tank and if no change will take back to Toyota.

[OzDriver]

Mine was Jan 2016 build and has had no gearbox firmware changes (just the DPF update). Has always used 6th as expected. Quite happy that it only uses 6th above about 80kph (sometimes less) since it seems a little less smooth if it tries to use 6th at less than 1500 rpm. I have previously posted that I think the 2.8 likes to have a occasional 'lively' run (run it up the revs, more throttle, decent length of trip) to keep it clear, but this is purely subjective. However, in a modern car we should not need to have to worry about this kind of thing.

[Wildfire]

At 100km/h my sits at about 1550rpm, putting on cruise control locks in in for me when it won't lock in with the foot pedal. Getting the ecm upgrade next week. I have monitored the fuel since new and coming up to 30000kms the graph the fuel lite app gives I can see exactly when a longer burn has helped bring my fuel down. Hoping the upgrade keeps it down!

[Bobcrusader]

At 100kmh, if you see about 2000rpm on the tach, then you are probably in 6th, but the torque converter is not locked. There was a gearbox firmware update earlier this year, but I didn't notice any change in the behaviour at highway cruise speeds.

[Prado_Dave]

Guys this might sound stupid, but those of you getting poor economy when doing highway/freeway travelling, is your box engaging 6th gear? My box needs to really be coaxed into 6th gear by really pulling back on the throttle when reaching the desired 100/110/120km speed, and drops back to 5th at the mere suggestion of an incline, which then results in another coax into 6th once on flat surface again. I usually get around 9-10l per 100 around Perth metro, and when on open road can get 7.5-8.0l per 100 when on the highway at 120. I don't drive it like I do my V8 Commodore, but I don't putt around either.
Re the ECU update, Ill get this done when my next service is due in 2000km.

[CamJam]

Far out that is pretty good economy. There has to be something wrong with mine. About to fill up after the ECU update and I don't think I will get under 11 and that is with about 400ks of highway driving.

Likewise - mine's so far hovering around the 13.0/100 mark. Only had 500km's post the upgrade, but here's hoping that's simply because it's buzzing the begeezus out of the DPF for now. I usually get around 10.8 on the same kind of trips...

I noticed last Saturday (I took it in on Monday) that it blew some white smoke. Glad I had that bit of info so they could record it down as an issue for later (potentially). As I get it serviced from non-Toyota I don't get to see them very often. But they were quick.

[Micko2005]

Had mine done just before a holiday trip last week. Only took 20 mins to do. Seems to be running slightly better overall and obtained 7.5 to 8.5 on long runs with 4 adult passengers, full tank and a boot full of luggage. Still on original DPF filter at 15k.

Far out that is pretty good economy. There has to be something wrong with mine. About to fill up after the ECU update and I don't think I will get under 11 and that is with about 400ks of highway driving.

[OzDriver]

Had mine done just before a holiday trip last week. Only took 20 mins to do. Seems to be running slightly better overall and obtained 7.5 to 8.5 on long runs with 4 adult passengers, full tank and a boot full of luggage. Still on original DPF filter at 15k.

[[email protected]]

Where can I find my recall detail? I saw the recall notification in my garage a few weeks ago. but when I log in just now, I couldn't find it.

[5logs]

Need to book mine in. 14L per hundred running around empty is pathetic....