There is no where in diagnsics that relates egr codes to def heater lines it probably happened when it was cold cuz that’s when it had to work really work is it just a line heater or is the heating system pretty easy to diagnose you turn on with brass and u measure if you have 12 v coming in to the heater and the heat solenoid. Very simple.
Volvo DPF / SCR problems
Discussion in 'Volvo Forum' started by Val77, Feb 4, 2018.
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It was a fuse for the DEF system. At least I have an almost completely brand new emissions system now...
daf105paccar Thanks this. -
KB3MMX, loudtom and daf105paccar Thank this.
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I have said it before that not the emissions are the problem but some off the clows working on then. -
KB3MMX, daf105paccar and loudtom Thank this.
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We were down for 2 months. I'm going to buy a service manual and just purchase specialty tools when I need them. I think I'll actually save time, money, and be more confident in the work performed than any warranty. Reading the notes made me wonder if it was the first time the techs had performed some of the tasks.
KB3MMX Thanks this. -
KB3MMX Thanks this.
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I also have 3597 code... now I have a 1231 is this related? one is check engine and now check ecu
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I would guess that they're likely related, but it's possible that you have multiple problems. Check to make sure that you've got a good connection from the battery to the aftertreatment system. Then check all of the fuses and relays related to it. If that doesn't fix it, you've got to start testing the wiring harness, ACM, and the components.
I had a problem a few months ago where the DEF gauge showed totally empty, but never gave me the warning light that it was low and I knew that I had at least 1/4 left. The next time I went to start up the truck, it started giving me aftertreatment codes. It ended up being the wire to the battery broke at the ring. All I had to do was strip the wire, crimp it, heatshrink the tubing, and put it back on the positive terminal to the battery.
If you continue to run, you're going to get more codes with derate warnings.KB3MMX Thanks this.
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