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Pesky Freightliner code "SAM Controller RSRVC 249s254 14" What is it?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by AZhomegrown, Nov 4, 2016.

Page 1 of 2
  1. Nov 4, 2016 #1
    AZhomegrown

    AZhomegrown Bobtail Member

    7
    1
    Nov 4, 2016
    Salem, OR
    0
    I keep getting code "SAM Controller RSRVC 249s254 14" as well as "SAM SA33 SPN520403 31" on my 2010 Cascadia. I'm sure it probably something small, but I want to figure it out. Anyone know?
     
    AZhomegrown, Nov 4, 2016
    AZhomegrown, Nov 4, 2016
    #1
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  3. Nov 4, 2016 #2
    mhyn

    mhyn Road Train Member

    4,255
    4,513
    Dec 29, 2008
    Northridge, CA
    0
    SAM SA33 SPN520403 31 <--- check br25 relay circuit. its a sam cab relay.
     
    mhyn, Nov 4, 2016
    mhyn, Nov 4, 2016
    #2
  4. Nov 4, 2016 #3
    AZhomegrown

    AZhomegrown Bobtail Member

    7
    1
    Nov 4, 2016
    Salem, OR
    0
    Ok thanks. I'll check it out. Do you know what the function of that relay is? I haven't noticed anything out of the norm going on inside the cab as far as lights and electrical.
     
    AZhomegrown, Nov 4, 2016
    AZhomegrown, Nov 4, 2016
    #3
  5. Nov 5, 2016 #4
    Animosus

    Animosus Heavy Load Member

    715
    2,807
    Dec 7, 2015
    SE Wyoming
    0
    BR25 is a bistable relay that is used for priority 1 comfort load low voltage disconnects of 12v power receptacles and reading lamps. Since it is a bistable relay it stays in it's on or off state unless triggered by the sam_cab. So it's probably staying on when it is commanded off or vise versa.
     
    Animosus, Nov 5, 2016
    Animosus, Nov 5, 2016
    #4
  7. Nov 5, 2016 #5
    mhyn

    mhyn Road Train Member

    4,255
    4,513
    Dec 29, 2008
    Northridge, CA
    0
    RSRVC 249s25414 <---- I think you have bad right side mirror heater
     
    mhyn, Nov 5, 2016
    mhyn, Nov 5, 2016
    #5
  8. Nov 5, 2016 #6
    AZhomegrown

    AZhomegrown Bobtail Member

    7
    1
    Nov 4, 2016
    Salem, OR
    0
    Ok that sound like an easy fix. Just swap for a new one. Badda boom, badda bing! Right?
     
    AZhomegrown, Nov 5, 2016
    AZhomegrown, Nov 5, 2016
    #6
  9. Nov 5, 2016 #7
    AZhomegrown

    AZhomegrown Bobtail Member

    7
    1
    Nov 4, 2016
    Salem, OR
    0
    That would make sense. It's a "new to me" truck, and I don't think either mirror heater is working, or working that well.
     
    AZhomegrown, Nov 5, 2016
    AZhomegrown, Nov 5, 2016
    #7
  10. Nov 5, 2016 #8
    mhyn

    mhyn Road Train Member

    4,255
    4,513
    Dec 29, 2008
    Northridge, CA
    0
    hold on men. hold on. Badda boom, badda bing no gonna work. it's not square box 379. see the notes about this fault.

    Notes: DTC for pins 575 (12Vpower receptacle4 (sleeper, cigar), BAT,X3/3), 576(12V power receptacle 5 (sleeper, cigar), BAT,X14/1), 176 (auxiliary circulation fan -sleeper,BAT,X1/13)and 553 (reading lamp (switched locally),BAT,X16/13).

    Possible Causes
    1. The wiring harness to the connected loads is shorted to battery


    2. Bistable relay 25 is stuck
     
    mhyn, Nov 5, 2016
    mhyn, Nov 5, 2016
    #8
    AZhomegrown Thanks this.
  11. Nov 6, 2016 #9
    Animosus

    Animosus Heavy Load Member

    715
    2,807
    Dec 7, 2015
    SE Wyoming
    0
    I'm willing to bet that bistable relay 25 needs replaced, it is very uncommon for wiring inside the cab to get damaged.
     
    Animosus, Nov 6, 2016
    Animosus, Nov 6, 2016
    #9
    AZhomegrown Thanks this.
  12. Nov 6, 2016 #10
    AZhomegrown

    AZhomegrown Bobtail Member

    7
    1
    Nov 4, 2016
    Salem, OR
    0
    I was thinking that too, but it's a 6 year old truck and I've only been in it for a couple months now. It's had the code since I started driving it. Either way, it's not on the priority list of things to fix. Thanks to all of you.
     
    AZhomegrown, Nov 6, 2016
    AZhomegrown, Nov 6, 2016
    #10
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