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Volvo V70 Electrical/Lighting Issues

PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 5,854
Discuss solutions to your V70 electrical and lighting issues here.

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  • I have a 98 V70 that has been giving us problems this summer (sensor, thermistat, ECU = all replaced) and now we are down to the electrical harness causing some sort of sort or something???
    We are told that tracking that down and fixing it or replacing the entire harness is, basically, cost prohibitive.
    Does anyone have any info on this?
    Other than this the car is doing great. It has something like 110000 miles on it, and going strong. We've just spent too much on it to keep going, unless we can get this figured out economically.
    We really like the car and would prefer to keep it, but if this is going to be a persistent looming problems, I think we'll see if we can sell it.
    Any ideas or assistance is appreciated.
  • Well, I think we're going to take it to a Volvo dealer in our area.
    Our current mechanic actually took it there for an evaluation already, so they have seen our car before. And, this is the place we bought it.
    Our mechanic said if it is the wiring harness, it is so built into the car, that it would literally take removing the engine to actually get at the entire harness, because it is hardened rather than just wires running around. So they would not be able to pull the wires.
    Anyone have any info on this wire harness?
  • It is at the Volvo dealers.
    They have called back twice asking for more details.
    They said there was no current running through the sensor.
    Also, the Check Engine light is on, ABS, and Traks Off lights are on.
    We can't start the car without a jump (luckily we have one of those portable rechargable battery chargers).
    They put in a new sensor, and are test driving it with a computer hooked up to see what is happening.

    Hopefully they find out what is going on.
    I'll post more when we get further along.
  • I have a similar problem where the traks light is ON, ABS light is ON. No starting problems though but the brakes "vibrate" but not mechanical sounding as would be the case if the pads were bad. Any insight to this would be helpfull
  • Our local Volvo service center is still driving our car; over 2 weeks now, to capture the events that are causing our electrical problems. They have a computer connected (probably through the console) to monitor what is happening and hopefully determine what is wrong.
    They said they are driving for parts, or trips to other dealers in the area.
  • Im not sure if the problems I am having are the same. I have replaced the thermostat, resivor and just had the water pump check which was good. My problem is that it is overheating and we can not seem to find the problem. The raditor is fine did a pressure test. does anyone know what the problem could be.
  • I have a 2001 V70 that seemed to be getting hot even though the temp gauge was not registering hot. The AC was not working well and the drivers side leg area was very warm. Took it to the local dealership and they said that the cooling fan had quit. It was under recall and was replaced under the recall. We were lucky that we were not in the heat of summer.
  • i have exsackly the same problem the car was connected to a diagnostic computer and two sensors were changed which made no difference although the lights do go out sometimes the garage said they needed to upgrade the software on the dignotick equipment did you ever solve the problem.
  • Have had a problem of replacing multiple light bulbs on a 01 V70XC. Have replaced many headlights, tail/brake lights, marker lights, etc. in the last 4 years. Any ideas? Could there be a voltage output problem?
  • I have had the same issue with our 99 XC70. Once every few months a bulb needs to be replaced.
  • v70painv70pain Posts: 1
    I have v70 T5 - took car infor 65K service. Dealer found issue with turbo gasket and mass air flow sensor unit. Serivce call was $1100. When I picked up my car,the climate control was 'dead' - (ie., as if the car wasturned off). Dealer said 'That's Odd' - took it back in the shop, came out 30 min later and said that the climate control panel board is shot and that it will be 1000 to fix. This seems crazy to me - I have read that when you disconnect the battery to service the car that sometimes electrical components don't work correctly (need to boot up under the right sequence) -- Anybody have any ideas?? There is no way the car climate control just happened to fry at the same time it was being serviced on. Dealer is trying to tell me that it is just an odd coincidence?? Any help greatly appreciated. Thanks
  • stmssstmss Posts: 206
    Don't believe in coincidences. I have had three mass flow sensors on my 99 with no 'frying' happening.
  • cdnfoolcdnfool Posts: 2
    I had a short in the seat heater for our 2001 V70 T5 that caused a small fire (or at least smoke) before I could figure out where the smell was coming from. It burned a hole in the heater pad and the leather.

    I am just out of warranty (6 months) and the cost to replace the heater is $300 and the seat cover $1000. Has this happened to anyone? I saw a bulletin for an older model where there was a recall but nothing for this generation of wagon.
  • olydawgolydawg Posts: 4
    I have a cracked headlight on a 2001 V70. Does anyone know about the assembly? Do I have to replace the whole unit or is there a cover? The light works fine, so it is a cosmetic issue. I think the part is about $350 w/o labor. I have seen it discounted elsewhere. Basically, I want to fix the crack for the least amount of $. Thanks.
  • gedafegedafe Posts: 8
    The outside component of the headlight is just a clear glass cover. I recently had my left headlight on my 01 V70 replaced, but luckily I was able to take it to an awsome independent who told me I may have gotten the dealer to replace the whole thing, when all that was needed was a new bulb. The bulb was still pretty expensive for a headlight, but the mechanic showed how both the headlight and turnsignal lights were simply inserted behind the glass cowls. I'm not sure how much the glass portion costs, but it is a DIY job regardless: a couple screws loose and the cowling comes unhinged. Replace and screw back together.
  • New to the board. Just brought my 2001 V70 XC into the Boston Volvo shop for 54k mile oil change and turns out my front right wheel bearings are shot. $500 bucks to fix. They also want to replace the upper strut mounts for $355 and front control arm bushings for $600. This seems extreme that all the bushings and struts are wearing out at 54k miles, even with New England winters and road conditions. I also think the price of a Volvo repair place is astronomical. Any thoughts? Do you all think it is ok to take it to a regular mechanic to fix this stuff or should it really go to Volvo for best results. Confused and discougaged that it could be 2k a year in preventative maintenance on this car, even though not much is wrong while driving it. Please help.
    Mike, Somerville, MA
  • clarkkentclarkkent Posts: 154
    I can't get the back windows to work. When I hit the switch I can hear a click under the dash. With or without the child lock led light on I hear the click and the windows will not work.

    Any ideas?

    Thanks, CK
  • jomotojomoto Posts: 12
    HAve you checked the fuse box?
  • I have a 2001 v70 and just got a message "bulb failure dipped beam" Can this be fixed by replacing the bulb which isn't working?
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 5,854
    I did some net wandering and I don't think replacing the bulb is going to do the trick. From what I'm reading there's likely a burned resistor/shunt in CEM (Central Electronic Module)

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