Ted Posted March 22, 2018 Report Share Posted March 22, 2018 Hi there to all of of you i have a problem with my ecu... i have a Forester Subaru 2.5 XT. I am running the G4+ plug and play... from the first start up the car was very difficult to adjust the E throtle... but the serious problem that occurred is the fault code 73 Aux 9/10 supply error. (Volt 10-APS MAIN) Does anyone know what it is?? it did 3 times and i am loosing the accelerator pedal... i have to turn on and off the engine to start again.. could it be a mechanical problem or ecu problem? i have done all the necessary tests. And it did it again when i was trying to accelerate under high load. could it be the ecu ?? Thank you in advance Ted Quote Link to comment Share on other sites More sharing options...
Brad Burnett Posted March 23, 2018 Report Share Posted March 23, 2018 Could you please post up a copy of the calibration that you are running as well as a log of the throttle faulting out if possible. Quote Link to comment Share on other sites More sharing options...
Ted Posted March 23, 2018 Author Report Share Posted March 23, 2018 Thanks for your reply. I will send you that. But I think I found it... It stops the relay under heavy load and after all the logs that I 've dine I saw that i have a fault code 75 Meaning that the tps was out of limit. I redid the tps calibration and it shows that works fine now. I will check again and I will let you know. Thank you very much for your help. Quote Link to comment Share on other sites More sharing options...
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