siegfriedstar68
Trafic AdBlue Empty Error No Start
Summary of the thread
A 2016 Renault Trafic diesel is experiencing a no-start issue due to an AdBlue empty error, despite the tank being full. The problem may be caused by a faulty AdBlue output from the tank to the dosing unit, leading the system to incorrectly register the tank as empty. Suggested solutions include checking the AdBlue injector for crystal build-up and potentially replacing the AdBlue tank if the pump is faulty. It is recommended to take the vehicle to a workshop for further diagnosis and repair.
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4 comment(s)
siegfriedstar68 (community.author)
Thanks. Is there an easy way to check the SCR catalyst, or do I need special equipment?
richardkoehler8
You'll need diagnostic gear to properly test the SCR catalyst. It's easier to check the AdBlue injector for crystal build-up. If it's clean, the pump in the tank is probably bad. Based on what you're seeing, I think you need a new AdBlue tank. Take it to a workshop.
siegfriedstar68 (community.author)
Thanks for confirming. I'll take it to a workshop to have the AdBlue tank checked and replaced. The estimated cost is around 250€.
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RENAULT
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TRAFIC
richardkoehler8
Sounds like it. I saw the same thing on a Master van last week. If the output fails, the system thinks the tank is empty and won't let you start. Have you checked the SCR catalyst? A bad sensor there can cause similar issues, but it's less likely with those errors.