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opey450r · 12-11-2018, **(Subject: check engine light )**

i have a 2007 peterbilt 379 with a isx 565 and 18 speed. i have a flash code 554 that’s came and gone a couple times today. does anybody know what the problem is

hhow55 · 12-12-2018, **(Subject: check engine light )**

Im not finding a flash code 554

lonestar16 · 12-12-2018, **(Subject: check engine light )**

not sure if this is the right place but need some help..got a inactive code showing of 2387 .vgt actuator driver circuit (motor) mechanical system not responding or out of adjustment...any body have a cle what might be going on

Nilao · 12-12-2018, **(Subject: check engine light )**

Your actuator has taken a dump....just helped a friend out with this exact code.

lonestar16 · 12-12-2018, **(Subject: check engine light )**

.is there any way to find out if it did take a dump..i have a load on me how long can i run it with out doing any more damage to my truck i have 43 k in the box going to hope mill nc

Nilao · 12-12-2018, **(Subject: check engine light )**

It will come and go till if finally siezes...best get it done asap.

lonestar16 · 12-12-2018, **(Subject: check engine light )**

should i try in fix it my slf or make the dealer fix it should still be coved under the warranty

Nilao · 12-13-2018, **(Subject: check engine light )**

It will most likely need to be an active code before they'll touch it.

lonestar16 · 12-13-2018, **(Subject: check engine light )**

so pretty much it would have to go all the way out befor they would they would do any..would it mes anything els up if i run it a couple of days tell i can get me a new one..what causes it to do out i only have 343k on the motor