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Toyota Prado Recall (Code GGG38) ECM Reprogram

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  • #61
    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!

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    • #62
      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.

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      • #63
        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.

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        • #64
          That 6 speed sounds like a dog, the old 5 speed locks 5th from 60 and holds.


          Sent from my iPhone using Tapatalk
          [CENTER][B]-=2014 GXL D4D Auto Graphite, Firestone Airbags, ARB/Optima D34 Dual Battery, ARB UVP, TJM Airtech Snorkel[/B][B]=-[/B]
          [/CENTER]

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          • #65
            Originally posted by Symo View Post
            That 6 speed sounds like a dog, the old 5 speed locks 5th from 60 and holds.


            Sent from my iPhone using Tapatalk
            Yep seems to be. Toyota wont admit its an issue. 6th gear may as well not be there.

            Thanks
            cuda
            2018 150 Series Crystal Pearl Prado VX 2.8l. 2 inch King springs and Bilstein shocks, Airtek TJM snorkel.

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            • #66
              Originally posted by OzDriver View Post
              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
              Phs
              Senior Member
              Last edited by Phs; 22-07-2017, 11:56 PM.

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              • #67
                Originally posted by Micko2005 View Post
                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

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                • #68
                  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

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                  • #69
                    I spoke with Toyota today and they informed me that I have not had the ECU update, only the DPF replaced. The ECU recall/update addresses the DPF not reaching high enough temperatures when travelling at high speed which in turn will cause the DPF to block up and fail early in its life. Will be interesting to see if I get further improvements after the update is done on Thursday. What I find encouraging is that my tank is only half empty at 700km.
                    2018 150 Series Crystal Pearl Prado VX 2.8l. 2 inch King springs and Bilstein shocks, Airtek TJM snorkel.

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                    • #70
                      Originally posted by cuda View Post
                      I spoke with Toyota today and they informed me that I have not had the ECU update, only the DPF replaced. The ECU recall/update addresses the DPF not reaching high enough temperatures when travelling at high speed which in turn will cause the DPF to block up and fail early in its life. Will be interesting to see if I get further improvements after the update is done on Thursday. What I find encouraging is that my tank is only half empty at 700km.
                      That makes sense because I'm struggling to notice any real difference around town post-ecu update.

                      I did do a 400km country run and the mileage on that tank was good but i'll hold my judgement for the next tank or two...
                      Cheers
                      Micheal.

                      2008 GXL D4D Auto. GOING... GOING... GONE
                      2015 GXL 1GD Auto. And it begins again...

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                      • #71
                        3 weeks on from the DPF ECM recall and I am seeking roughly a 0.5 l/100 improvement (but too early to compare fully). Seems to have less throttle/turbo lag off the mark though. My 6th gear (and other auto ratio selections) has always worked as expected so I can't relate to the issues others have. I don't think that it is a core design problem but obviously not consistent. 6th gear is very high so it does tend to drop to 5th is any real demand is made. Would be nice if it had a gear indicator showing the gear in use (not just the maximum gear based on the semi-auto selection)

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                        • #72
                          Originally posted by Bobcrusader View Post
                          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.
                          6th gear 100kmph is 1550rpm
                          5th gear is 2000rpm

                          PE

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                          • #73
                            Hey everyone,
                            Took our Prado in for the ECM update today. Told them that we had heaps of white smoke on burn and bad fuel economy. They did he ECM update and just did a burn but wouldn't replace the DPF. We will see how it goes and see if things improve. Going on a bit of a trip soon so hopefully fuel economy will be better.

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                            • #74
                              Originally posted by IBoughtAPrado View Post
                              Hey everyone,
                              Took our Prado in for the ECM update today. Told them that we had heaps of white smoke on burn and bad fuel economy. They did he ECM update and just did a burn but wouldn't replace the DPF. We will see how it goes and see if things improve. Going on a bit of a trip soon so hopefully fuel economy will be better.
                              That was my experience also, exactly. As you say, we'll just have to see how it goes. As an aside, although my fuel usage went through the roof to begin with, it seems to have settled around the 11.0L/100 now, with mid-10's on the freeway (bar, lift, snorkel, Platform tray).

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                              • #75
                                Funny but in my new 79 you wouldn't even know the DPF was there. No smoke, no smell, no noise. Just did 12,500km with the DPF and the counter ranged up and down between zero and 3.
                                Dave
                                Views expressed are mine alone and are not intended to compromise the integrity of my employer nor offend those who may read such views.
                                Bugger Bali, get out and see Australia before we sell it all to China.

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