Electrical issue 07 6.0
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5th Gear
Joined: Jan 2024
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Electrical issue 07 6.0
So i have a 2007 6.0, i recently got a sct x4 tuner for it. Being said i cant marry it/program it to the truck, when going to turn the key off for it to program all electrical shuts off and makes it impossible to program the tuner anyone know what might be causing it, i checked all the fuses and even tried replacing the ignition lock cylinder
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5th Gear
Joined: Jan 2024
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The obd looses power instantly when you turn the key off, but when the key is in the run position the tuner works fine and the scanner but when I go to program the tuner you have to turn the key off and it kills it and makes it impossible to pair it
Fleet Mechanic
Joined: Feb 2007
Posts: 1,652
Likes: 79
From: Mooresville, NC
Is it used? If so, it's probably locked to another vehicle or "out of ammo" (number of flashes exceeded).....BTW --- toss the POS in the garbage --- any/all tuners are nothing but NO GOOD for most vehicles -- plus they're all (IMHO) illegal as hell viz a viz state and federal emissions laws.
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5th Gear
Joined: Jan 2024
Posts: 5
Likes: 0
Is it used? If so, it's probably locked to another vehicle or "out of ammo" (number of flashes exceeded).....BTW --- toss the POS in the garbage --- any/all tuners are nothing but NO GOOD for most vehicles -- plus they're all (IMHO) illegal as hell viz a viz state and federal emissions laws.
Fleet Mechanic
Joined: Feb 2007
Posts: 1,652
Likes: 79
From: Mooresville, NC
I'd update the firmware in the tuner, then if it fails again, send the BRICK back to the manufacturer. Those people really shouldn't be monkeying with the PCM/ECM, FICM, etc microcode, tables, etc in the first place...........
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5th Gear
Joined: Jan 2024
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it’s not the tuner that’s the issue, it worked fine in my buddy’s truck, it’s the fact that all electrical cuts off as soon as you turn the key off which you need to do to program it properly, his truck the obd dash and such have delayed power after the key turns off as they should for a few minutes while mine cuts off instantly so I’m trying to find out why
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Cargo Master
Joined: Dec 2021
Posts: 2,374
Likes: 992
From: Chambersburg, PA
So it sounds like the constant power in the OBD port is the issue since this also happens in an inexpensive code reader/scanner not just the tuner. First I would look for a loose wire at the port itself, and possible fuses.
I personally don’t know these circuits well, but perhaps @bismic can shine some light.
chuck
I personally don’t know these circuits well, but perhaps @bismic can shine some light.
chuck
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Cargo Master
Joined: Dec 2021
Posts: 2,374
Likes: 992
From: Chambersburg, PA
Is it used? If so, it's probably locked to another vehicle or "out of ammo" (number of flashes exceeded).....BTW --- toss the POS in the garbage --- any/all tuners are nothing but NO GOOD for most vehicles -- plus they're all (IMHO) illegal as hell viz a viz state and federal emissions laws.
Fleet Mechanic
Joined: Feb 2007
Posts: 1,652
Likes: 79
From: Mooresville, NC
it’s not the tuner that’s the issue, it worked fine in my buddy’s truck, it’s the fact that all electrical cuts off as soon as you turn the key off which you need to do to program it properly, his truck the obd dash and such have delayed power after the key turns off as they should for a few minutes while mine cuts off instantly so I’m trying to find out why
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