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2000 V70 XC Up Arrow Flashing

Help and Advice on Volvo's extremely popular car line, powered by Volvo's nearly indestructible, versatile inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

2000 V70 XC Up Arrow Flashing

Postby eddym16 » 06 Jan 2012, 21:30

Hello all,

I recently purchased a 2000 V70 XC SE back in June 2011, but about 3 weeks ago it started acting up. One day on my way home going about 55 MPH the up arrow on the dash started flashing (the one that lights up when in winter/wet traction mode). As I slowed down to make the upcoming turn the car started to buck and shake a little bit. As I then began to accelerate after making the turn the shaking continued and began to get worse, to the point where I pulled the car over and killed the engine.

I consulted the owner's manual to find that it was most likely something wrong with the automatic transmission. Knowing this I continued home shifting the car manually. The car drove fine.

The next day I drove the car to a specialty Volvo shop to have it checked out. They decided that the best course of action would be to reset the codes and do a transmission flush (which had probably never been done on this car and it has 150k miles on it). If that failed to fix the problem then they said it was probably the transmission and it would need to be replaced.

With the transmission flushed and the codes reset, the car ran perfectly for just over hundred mile (driving it in D), but then then same shaking began to happen when I was going about 50 MPH. Again I took it in for another diagnosis, this time to a Volvo dealership to get a second opinion. Their conclusion was also that the car would need a new transmission.

I have a heard time believing that this is the case though since if the transmission were indeed shot why would it have worked flawlessly for those hundred miles or work fine the rest of the time when shifting manually? As a side note the ABS light and TRACS light were both always on since I got the car, but my dad recently fixed the problem by making the ABS connection better. I think it involved a piece of plywood and plastic. Anyway it is no longer an issue. We're thinking it could be something to do with the computer or electrical system, since 90 percent of the time the car shifts and runs fine. We also recently disconnected the speed sensor to see if that would make a difference at all, and it may shift a little smoother but still hard to tell at this point. The check engine also is on most of the time but it's been that way since I've had the car due to a catalytic converter error code. The code that came up for the transmission though is 1618. Just wondering what the problem could be.

Thanks!
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Re: 2000 V70 XC Up Arrow Flashing

Postby Thenemyk2 » 07 Jan 2012, 18:25

I am having a similar problem. My 98 S70 keeps shifting between Winter and Economy at one second intervals. My ABS and TRACS lights are also on. I believe the ABS and TRACS lights were on due to a bad ABS module. Maybe replacing the ABS module will fix our transmission problem also. Anyone else have any other thoughts?
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Re: 2000 V70 XC Up Arrow Flashing

Postby Matty Moo » 08 Jan 2012, 00:31

1618 is a speed signal code stored in the TCM. It's there from when your ABS and TRACS lights were on, at that point the trans wasn't getting a speed signal or when you disconnected the speed sensor on top of the trans. You probably had a trans arrow and were starting out in third gear.

Any other codes in there, or just the 1618?

as for the 98, unless it's a late build 98, the ABS shouldn't be triggering the trans arrow/flashing e-s-w lights. Sounds like your trans arrow is flashing too?
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Re: 2000 V70 XC Up Arrow Flashing

Postby eddym16 » 08 Jan 2012, 21:12

Yeah, there was one other code but it had to do with the catalytic converter. Don't remember the number but that shouldn't have anything to do with the transmission. And yes sometimes the car would seem to start out in third gear, but not all the time when in Drive. So I guess the question is where do I go from here? Will a new TCM most likely fix the problem? Thanks again for the help!
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Re: 2000 V70 XC Up Arrow Flashing

Postby Matty Moo » 09 Jan 2012, 05:56

A new tcm won't do anything. Something else is causing the transmission to act that way.

Are you reading the codes or a shop? Your regular obd reader isn't going to pick up the tcm codes.
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1999 s70 Plain Jane.
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Re: 2000 V70 XC Up Arrow Flashing

Postby eddym16 » 12 Jan 2012, 03:49

So I just had my car rescanned with a different (more advanced) scanner by an auto mechanic I know and the 1618 code still came up but it also came up with "Fault in lead between AW 50-52 and motronic 4.3 (mil requested)." Hopefully this will give you a better idea of what's going on. Thanks.
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Re: 2000 V70 XC Up Arrow Flashing

Postby MilehighV70XC » 13 Jan 2012, 02:05

Still sounds like your ABS module. You said the TRACS and ABS lights where on. Do they still turn on ever? Not quite sure what your dad did to fix it. Unless he took it apart and re-soldered the connection that go bad, then that most likely is your problem. I was having the same issues as you are describing. The up arrow would start flashing, car would buck and drive very poorly. would start out in third sometimes, and if I manually shifted it would drive fine. Check through my post history for more details. If it was me I would have my ABS module fixed by forum member Matty Moo at http://www.midwest-abs.com. I did and car has been great ever since.
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Re: 2000 V70 XC Up Arrow Flashing

Postby eddym16 » 25 Jan 2012, 03:47

So an update on the situation. The ABS module was recently sent out to Matty Moo, but my dad was driving it for about a week with no ABS module in the car and it seemed to shift perfectly, however the idle was a little rough. Once the replacement part came from Matty Moo my dad installed it and after about 40 or 50 miles the car went back into limp mode on the highway. The check engine light came on and the flashing arrow came back as well. The ABS and TRACS lights have not come back on though. Without an ABS module in the car the up arrow worked perfectly, coming on when in the winter/wet mode and also when in manual and the car needed to be shifted into the next gear. Not sure what the problem could be, but it seems to be something related to the ABS module but not the ABS module directly. My dad also rescanned the car with a new scanner and the codes that came back were P0756 and P0734. Thank you all again for the help, my dad and I really appreciate it!
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Re: 2000 V70 XC Up Arrow Flashing

Postby JRL » 25 Jan 2012, 04:26

Tranny Solenoids
2000 V70R Black, 121,000 miles (Wife's).
2006 XC70 White only 59,000 miles. New daily driver.
2000 V70R Silver, 36,200 miles!!! SOLD (I will regret this)!

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Re: 2000 V70 XC Up Arrow Flashing

Postby jblackburn » 25 Jan 2012, 05:13

What he said. Those codes are for tranny solenoid shift performance.

P0756 - "Shift Solenoid B Performance or Stuck Off/2-3 Shift Solenoid Valve Performance" code.
P0734 - "Gear 4 improper ratio".

How's the fluid look now? Another flush may or may not help...but usually the 'improper ratio' code is a bad sign.

I replaced the solenoids in mine, and it was a b@#$@ of a job. But it's fixed it to this day.
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Re: 2000 V70 XC Up Arrow Flashing

Postby arnabio » 25 Jan 2012, 15:36

I hate to say it, but I had the a same codes and the same behavior. It ended up needing a new transmission. The pathway I went through was to first replace the PNP switch. This did nothing. The I did another flush (the car had been flushed 10k before). This time the flush had a metallic pearling to it so I brought it to the tranny shop. They took it apart and it was boned. I hope that one of these other things is your fate, but time to start preparing mentall for the worst. That being said, if you do have it replaced, consider getting a transmission cooler installed as this should make a big difference in the next trannys longevity.

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Re: 2000 V70 XC Up Arrow Flashing

Postby eddym16 » 02 Feb 2012, 00:30

Thanks for all the info everyone! My dad just flushed the transmission fluid and while it was dirty there was no metallic pearling. He also mentioned that the the fluid had been overfilled previously. While the car does seem to shift a bit smoother it still goes into limp mode. My dad and a mechanic will be changing both selenoids soon though so I'll keep you all updated on how that goes. Hopefully it does the job!
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Re: 2000 V70 XC Up Arrow Flashing

Postby 99_xc70 » 08 Feb 2012, 03:29

Any update on fixing your problem? I have the exact same problems right now. Codes p1618 and p0756. Shifts fine with abs module unplugged but I don't have overdrive(4th gear). The faster I go past 80km/h the higher the rpm gets and does not shift.
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Re: 2000 V70 XC Up Arrow Flashing

Postby eddym16 » 07 Apr 2012, 20:45

Sorry about the not getting this update out sooner, but here it is. My dad and his mechanic friend were able to replace the two shift selenoids (S1 and S2), but that didn't seem to help any. My dad then did another transmission flush using Toyota Type 4 Transmission fluid, which seemed to help the car shift much better. It would still go into limp mode though if the ABS module were plugged in. A new PNP switch was also put in as well as a radiator, although the later shouldn't really have anything to do with the main problem. A transmission cooler was also recently put in as well. That sums up all the work that's been done on it since my last post.

It drives fine around town with the ABS module disconnected and doesn't go into limp mode (I've been using a GPS as a speedometer.) Most of the time when the car is going about 55 MPH the RPMs stay at 1900, but after about 15 minutes of driving the RPMs will increase to 2500 if driving at 55 MPH. It seems to my dad and I that the problem is most likely that the torque converter is not locking up when in 4th gear. If in drive at 55 MPH and you shift manually into 3rd gear the car does downshift, so the car does seem to be getting into 4th gear. Hopefully all this information will make it clear to someone out there what the problem may be. Thank you guys for taking the time to help me out!
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