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Codice errore u3fff - 2003 Mercedes-Benz CLK-Class

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Get error code u3fff (with code reader in "freeze frame") Also get code p1652 powertrain induced chassis pitch output circuit


code p 1652 refers to engine control relay --open circuit/short circuit to ground ===causes --wiring open circuit/ short circuit to ground---connectors ---engine control relay---ECM

Oct 10, 2015 | Saab Cars & Trucks

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Code U3FFF


U codes are communication faults between the different modules present on your vehicle. The PCM has to maintain control via separate modules that monitor and control every aspect of it, from engine and emission control,transmission control, anti-lock, traction control, lighting, hvac, suspension control, etc...To diagnose these codes requires a quality scan tool and a technician who is experienced with these systems.

Apr 21, 2013 | 2000 Lincoln Navigator

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Dodge ram trouble code u3fff


there is a code table here: code table
hope it can help you and good luck

Jan 28, 2013 | 2006 Chevrolet Aveo

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U3fff code


goto autozone/orielly and have them reset the code for free. Or you can remove your battery for about 5 mins and it should clear the code. Good Luck!

Jun 11, 2012 | 1997 Infiniti.5 Q45

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I have a 1995 dodge neon 5 speed manual and right when I start the engine my check engine light goes on and autozone check the codes and it read u3fff can you tell what this code means for my car cause it...


Thats not a valid obdII code. Thats actually an error from the scanner itself not understanding the data that was sent.. I would clear the code and see if it returns. If it does find someone with the proper code scanner for a CAN system.

May 07, 2011 | 1995 Dodge Neon

1 Answer

C max 1600tdci diesel 110 cv anno 2004 errore u0101


certamente il codice indica che non c'? comunicazione tra il cambio automatico e il traction control module o centrallina
controllare il cablaggio e connettori

May 24, 2017 | 2006 Mazda 3

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Has rough idle, engine light on, codes P0303 and U3FFF. Have had installed new coil pack and new injector on cyclinder 3, same problem persist.


check spark plug and wire
test oxygen sensor
check compression ( valve might be at fault)
have computer checked

Jul 05, 2010 | 2005 Jeep Grand Cherokee

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