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2014 Passat SE - Does not shut off
Just installed a new Noname 330 plus in my Passat. Now the unit does not shut off with the ignition. If the unit is powered off (just showing time) it WILL shut off with the ignition.
I have no issues with the original unit doing this.
Is it just a dud?
Based on your description, it seems there is a communication issue between your vehicle's gateway and the new unit. We can use the following methods to troubleshoot step by step:
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Basic CAN Communication Test: With the car's engine running, press and hold the left knob on the unit to turn it off. If a clock screen does not appear, it indicates that the communication between the RCD330 and your car's gateway is unsuccessful. This is because the unit cannot receive the time signal from your car's BCM (Body Control Module).
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Advanced Diagnostic Scan (Recommended): If you have access to a VCDS diagnostic tool, plug it into your car's OBD-II port and perform a full scan. This will provide a detailed error report. You should also check if you can access Module 56-Radio.
Regarding your question, "Is it defective?"
This is a very common issue when installing aftermarket units like the Noname 330 Plus. It is highly unlikely to be a factory defect. The problem is almost always related to installation, specifically the connection or configuration of the CAN bus wires that allow the unit to communicate with your car's systems. The steps above will help identify the exact cause.
