MhileDollz Posted May 26, 2022 Share Posted May 26, 2022 I have a Mack E7-355 Shuts down without the light, it keep showing 9-2 code, I have changed the vecu. But still shutting down it self. What should I do Quote Link to comment Share on other sites More sharing options...
0 JoeH Posted June 6, 2022 Share Posted June 6, 2022 On 5/26/2022 at 11:25 AM, MhileDollz said: I have a Mack E7-355 Shuts down without the light, it keep showing 9-2 code, I have changed the vecu. But still shutting down it self. What should I do Check your fuse/circuit breakers. I believe that's "computer power loss with key on". You likely have weak contacts on your fuse for the VECU power. That's the easiest thing it could be. Wiggling the fuse should reveal the symptom. If not, could be a broken wire in the power circuit. Quote Link to comment Share on other sites More sharing options...
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MhileDollz
I have a Mack E7-355
Shuts down without the light, it keep showing 9-2 code, I have changed the vecu. But still shutting down it self. What should I do
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