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Volvo V70 Electrical/Lighting Issues

PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 6,058
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: 6,058
    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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  • I have a 2004 V70 with 57K on it, i am currently into the 5th bulb, three days ago (i refuse to change another as my hands are too big and i always mess up the headlight centering). Now this morning after a cool (38F) night the car would not start and indicated "engine is not prepared to start" I also notice that the front pass/driver seats were in the far back tilt position. Questions: 1)electrical problem 2) Is there a recall that my dealer does not know about 3)or i am crazy?

    I live in Europe but the car is US Specs. I just had the 52K tune up 4 Oct and everything checked OK.

    :mad:
  • Could the reason be the car did not start because the battery is low in the key. I understand the car has a disabler( dead switch) capability if you use the wrong key?
  • My 2004 V70 (47K miles) has been having bulb failures for about a year or so. On occassion the warning light will come on - even though all bulbs seem to be working, especially in cool weather (around 30F). I have replaced both front bulbs twice, and many of the back lights are also on their second switch. Recently, I just replaced all back bulbs, and now already one is blown again (only 2 weeks later). When this bulb blew out, it took a headlight with it... I am begining to think that there is a bigger issue - than just a little lightbulb blowing out. I had a local repair shop look at it and they were clueless - thought it could be a system error. I have yet to find any recalls about the electronics issues - and would like to avoid the certainly hefty Volvo dealership repair. Can you provide any suggestions or help???
  • gweezygweezy Posts: 1
    My 99 v70 recently broke down mid drive. For a few days the TRAC light and ABS were cutting on and of. Then while i was driving the whole electical sysem shut down. The engine still ran for about half a mile till i was able to turn off the highway. When i tried to start it back up the interior lights went crazy and sounded like the battery was dead. I tried to jump it and the same thing happened. does anyone have any ideas of what could be wrong? i was thinking the battery or alternator but if that was the case something should have happened when i tried to jump it off another truck. i'm hoping it's not something worse. Somebody please give me some good news!
  • akandrewsakandrews Posts: 2
    I had the same problem - drivers seat heater burned a hole through the seat cover and I felt my leg getting hot. Looked down and saw the smoke - wire burned hole about the size of a cigarette burn through the seat near my calf.

    Never tried to fix it because I have spent a FORTUNE trying to keep this $40,000 car running. I HATE VOLVO. This has been the WORST car EVER
  • soupyxsoupyx Posts: 2
    We just had our car ib the shop for transmission trouble and a day later, the "TAILGATE OPEN" message appears, thought the tailgate is closed. Anyone know of this being a common problem? Is it a sensor?
  • I have a 2001 V-70 T-5 with only 79,000 miles; recently, the rear locks, hatch, gas door, rear wiper quit. I took it to a decent independent who told me the rear elec. module needed to be replaced and I'm looking at a hefty bill to do it..anyone hear of this problem?
  • sorry, i just cant seem to figure it out. someone PLEASE help me im trying to put an aftermarket stereo in its place.
  • Hello,
    I was just reading your problem with your bulb failure warning light. My 2004 Volvo V70 is doing the same thing. I have changed the bulb once and it still does it especially in cool weather like you mentioned. Mine just turned 60000 miles. Did you ever get any more information? Any thing you can provide would be helpful. Thanks
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