Originally Posted by my95z28
Care to expand on these? What are the issues that come up when using a SCT?
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I decided to change my tune at the drag strip and I "bricked" the car. Would not load the tune or recover my stock tune. We disconnected the battery for 20 min. and finally able to load the tune.
If I remember correctly; got a "charging system" error. It was at night and I forgot that I had the "auto lamps" on !!!!
I called SCT and spoke to one of the dealer rep technicians. He admitted that there was a problem with the 2011+ 5.0 in the voltage system. A random issue with a voltage surge and they were working on a fix. Still haven't heard about a fix.
His recommendation was the same as Shaun's: Get a Trickle Charger and use this when changing the tune. Never change the tune away from home. All accessories "off" , including "auto lamp".
I purchased a trickle charger from Auto Zone. Actually, I couldn't find a 2 Amp; only a variable (Schumacher 2-10 amp, which works great).
Works great and have not had an issue with loading a tune since.
Hope this helps.
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2013 Boss 302 PW, Recaro, Torsen, AED tune, Airaid CAI, MGW, Hotchkis Springs/LCA, Whiteline Relo, CHE K Member w/Torque Limiters, Griggs Torque Arm Kit, T/A rear girdle, Kenny Brown Pan Hard Bar, Whiteline Tranny Bushing, JPC Linelock, JPC stainless clutch line, MT ET Street Radials (when needed), , 2013 GT500 Quad Axle Backs, Kooks LT 1 3/4, O/R X Pipe, Resonator Delete, JPC Line Lock,JPC Clutch Line.
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