Daniel Tomlinson Posted November 23, 2023 Share Posted November 23, 2023 Hi, I have had the dreaded 'No restart in 650 miles' due to an adblue issue. We know it's electrical and I assume it will mean a new module. As with many, things are tight so thinking of getting a used part. The code is 4M0907355. When i have searched however, there seems to be a letter at the end, either a D or E, and i think i spotted a G. Does anyone know what that means. I have a 2016 Audi A4 Sline Diesel. Also, any ideas how much it would cost to fit the part when i have purchased it? Thanks Dan Quote Link to comment Share on other sites More sharing options...
JW1899 Posted November 24, 2023 Share Posted November 24, 2023 I have the same problem - Audi part is 700 odd just for the unit. My local garage (not Audi) have said they’re not sure a second hand unit can be used as it will need to be programmed to the car directly. Has anyone used a second hand unit or know if the current unit can be repaired? Thanks, Joe Quote Link to comment Share on other sites More sharing options...
Steve Q Posted November 25, 2023 Share Posted November 25, 2023 I'd speak to an auto electrican or Audi independent garage. Quote Link to comment Share on other sites More sharing options...
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