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hi,
quite a while ago i removed my rnsd unit and after plugging it all back i cannot get any radio stations. i scanned with vagcom and got the following code:

00856, so i checked Rosstech wiki and found the following.

00856 - Radio Antenna: Open Circuit
00856 - Radio Antenna: Short to Ground
Possible Symptoms

* Radio Tuner not working

Possible Causes

* Wiring/Connectors from/to Radio Antenna faulty
* Radio Antenna faulty

Possible Solutions

* Check Wiring/Connectors from/to Radio Antenna
* Check Radio Antenna

i have checked and double checked ALL the connections at the BACK of the unit (these are the ONLY ones i have disconnected) and it still dosnt work . Would be grateful if someone can tell me what ELSE to check.

TIA.

As the instructions say did you checked the wiring itself? Even though you double checked the connectors, there is no guarantee that the wiring itself is OK.

BTW: The WIKI content is continuously updated and enhanced, therefor we'd appreciate if you linked to the WIKI instead of copying the content. Thanks.