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Problem with tune (lots of code errors)

Old 07-08-2019, 01:01 PM
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Join Date: Jul 2019
Location: Cordoba
Posts: 2
Exclamation Problem with tune (lots of code errors)

Hello there.
I'm from Spain and recently bought a 2010 v6 that already had the P0430 code (Catalyst System Efficiency below threshold, bank 2). Changed plugs, wires and lambda sensors and it's still there.
Got a SCT X4 for tune it and, despite the fact that my model should be preload tune supported, device said it wasn't. Once I contacted SCT they sent me preload tunes as custom files, and applied the 93 one (already proper gas in tank -EU 98 is the equivalent to US 93-), all was ok in theory. When i went for a ride, felt throttle wasn't responding properly so when arrived home I looked for codes and found a lot:
P0430 (my old friend)
P0600 (Serial Communication Link)
U0300 (Internal Control Module Software Incompatibility)
P2105 (Throttle Actuator Control System - Forced Engine Shutdown)
Seeing that mess, I dedided back to stock, and in theory it did, but car still feels bad, AND all those codes are still present!
I don't know if the problem is that there was already a tune when bought the car, but aftermarket parts were removed (all parts seem to be stock) or if the PCM/ECU is or was damaged...
Any clue of what could be the problem and what could be the solution?
Thanks in advance.
Kroiden is offline  
Old 07-11-2019, 12:46 PM
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