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  1. Drivetrain Malfunction

    The dealer couldn't find any solution to the message, it was gone by the time I brought it to the dealer which was just a couple days after. All they did was just clear the codes from my exhaust and catless down pipe.

  2. Drivetrain Malfunction

    That's weird because I am on a custom tune on the JB4. Jesse is the one who is doing the custom tuning for me. He said that the car is having trouble with timing for boost which I'm not sure if that would in turn activate the drivetrain malfunction message. I have also read somewhere that the...

  3. Drivetrain Malfunction

    Thanks, I was luckily logging that entire night. I'll send it over to BMS.

  4. Drivetrain Malfunction

    Hey everyone, I'm very new to the tuner world. I've got a JB4 currently installed due to the ECU bench unlock not being public yet. I did a few pulls a couple of nights ago and on the last pull. I got a "Drivetrain malfunction, reduced engine performance. No roadside assistance needed" message...


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