volvo vnl electrical mirror not working

Discussion in 'Trucks [ Eighteen Wheelers ]' started by FreezingHot32, Jul 24, 2021.

  1. FreezingHot32

    FreezingHot32 Light Load Member

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    both driver and passenger side electrical mirror not working I did recently just replace all batteries not sure if that could be a cause. All advice greatly appreciated.
     
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  3. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    Do the buttons light up when you select the left or right?
     
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  4. FreezingHot32

    FreezingHot32 Light Load Member

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    no they are not
     
  5. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    Probably needs the switch then. Hit the button repeatedly and see if it will light.

    Mine is crapping out for the driver's side. I have to hit the button three or four times to get it to switch on.

    I don't even want to know what it costs. It's an encoder, not a real switch.
     
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  6. FreezingHot32

    FreezingHot32 Light Load Member

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    well through messing around the other night with my light on butttons did come on but im still not getting any action from either mirror.
     
  7. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    If they worked before you replaced the batteries, maybe the memory that retains the settings in the LCM got wiped because of a bad coin battery. I'm pretty sure they are controlled through the LCM.

    I don't know if you can see any of that or diagnose it through Premium Tech Tool, but I have a copy and will look later today when I stop.
     
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  8. 86scotty

    86scotty Road Train Member

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    I'm betting on bad switch. It's a Volvo after all. Bad switches are common......real common.
     
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  9. flood

    flood Road Train Member

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    1st check the fuse...
    If it's good it's the switch..
     
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  10. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    And once again, whenever I just want to have a quick look at something on PTT, it needs an upgrade and won't run. PTT is an expensive pile of garbage created by basement-dwelling, schizophrenic cat hoarders.

    Looks like yet another call to Tech support to get this piece of crap to update.
     
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