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The mkiv Supra Owners Club

Ecu problem maybe


Paul372
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I had a problem with my auto box where it just kept slipping when putting the power down as the clutch packs had gone so I swapped it over with a uk spec auto box with new filter and oil and also fitted a titan 3200 high stall. Supe drove absolutely fine but I had some lights flashing on the dash. The overdrive and slip con lights are flashing alternately to each over and the main triangle light is very faintly on. Then the overdrive bottom stopped working as in it doesn’t pick up the revs now, the car still drives fine but now it won’t let me put any power down it’s like it’s in some kind of limp mode, seems like an electrical problem, any ideas or do you think the ecu is playing up thanks 

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On 4/14/2024 at 9:15 AM, Paul372 said:

I had a problem with my auto box where it just kept slipping when putting the power down as the clutch packs had gone so I swapped it over with a uk spec auto box with new filter and oil and also fitted a titan 3200 high stall. Supe drove absolutely fine but I had some lights flashing on the dash. The overdrive and slip con lights are flashing alternately to each over and the main triangle light is very faintly on. Then the overdrive bottom stopped working as in it doesn’t pick up the revs now, the car still drives fine but now it won’t let me put any power down it’s like it’s in some kind of limp mode, seems like an electrical problem, any ideas or do you think the ecu is playing up thanks 

What error code are you seeing? Code 53 by any chance?

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