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Xford.........the auto memory seating switch unfortunately doesn't work unless your ignition switch is in the "on" position. I know the Infiniti Q45 will work at all times which is more convenient. My 2002 XG350L has 2200 miles on now and I haven't had a problem yet (knock on wood). There is alot of great features but guess Im never satisfied totally. Car does ride very comfortably and plenty of pep. Will report back at 10k.
Well, I was wrong. It does it with warm engine, too. Fuzzy logic is ok but what is happening to the gear ratio? Assuming the tach is correct and gear selection indicator is correct (and I have no reason to suspect they are not correct) then the only conclusion is either the trans is slipping (can't believe this is the case, car is too new) or the gear ratio must be changing but how????
I'm going to stumble on the correct technical terms here but I remember reading that there are apparently several additional levels of gearing under 4th and 5th gear. There was some mention of it in this thread about 800 messages back. sorry I can't remember the exact post. I remember someone saying that their Chrysler car had the same attributes.
Hi all, I was in for a few minor service items at the dealer a couple weeks ago and they mentioned that there was a recall for a reprogram of the computer. Something related to the transmission (but didn't get any details). They did mine - might have helped with a little of the lag I was feeling from 1st to 2nd. But that could be from readjusting the fuzzy logic after the reset too. There was the annoyance of losing all the radio stations, clock, seat settings, etc. -Steve
I bought the XG 300 (2001) last May and have put almost 30,000 miles on it to date. Great car for the most part! However, I like several others who have been posting here since last summer, have had intermittent problems with the transmission.
#1-Cruise Control. Though I only notice the excessive downshifting on even the slightest inclines and the delayed upshift at the crest (up to 30 seconds), while on road trips, it is still annoying. I found that by tapping coast or accelerate quickly, I could force the shift back to the appropriate gear. No worthwhile input or solution from the dealer.
#2- Hard shift from 2nd to 3rd. This has always been very intermittent and when it flared up, usually lasted the better part of a day and then went away for weeks or months at a time.
#3- Shuttering from 3rd to 4th. Also came and went under varying conditions, speeds, types of acceleration, etc.
After reading earlier posts and follow ups about TCM reflashings, TCM replacements, trans. replacements, contaminated fluid replacement and problems still remaining, I decided for the severity of my symptoms, it probably wasn't worth the hassle of dealing with incapable or unknowing service departments and the frustrations that go along with that. I drove on, really enjoying my car (for the most part). Then recently, I noticed something new. Sometimes when shifting into reverse from park, there seemed to be a delay as long as five seconds before noticeably engaging. When it finally did, it was a very hard jolt into gear! At first it was only once in a while, but increased in frequency and severity over a short time. This was something new and in my opinion, more of a safety concern than the other things I had noticed. I took it to the dealer and they talked of a reflashing which I had been hearing about since last summer here, as being new and hopefully a possible solution for these problems. I was skeptical, but they reflashed and told me to pick it up. They could not get the "jump" into reverse to occur for them however and said to take it and see if it was still happening. It was so I took it back and now they have a "flow chart" from hyundai outlining diagnostic procedures to follow. They have checked pressures (supposedly OK). TCM readings of some sort are out of specs, so they are replacing the TCM and then they'll take it from there. Maybe they'll just have to replace the whole transmission if that doesn't fix it. I have mentioned the contaminated fluid theory to them several times, but they don't seem to know anything about that, and who knows where that will go.
I really like my XG, but to have this sort of mystery problem on a car with so few miles worries me a bit. I am curious if any others who might have had similar problems have had any solutions come up that may shed some light on mine. Thanks for any info that might be of help.
For what it's worth hyundaima, I get the feeling you may think that I am referring to the TCM that was mentioned in the debate you had recently with sobright1 regarding his abs/ airbag issues. Unlike you (I suppose) I am no expert on the names of all the parts of my automobile. If you read my post you noticed I said nothing about traction control systems. The TCM I was referring to I think, is the part of the computer that has to do with controlling the transmission functions. If this part is not called the TCM then I stand corrected. Whatever that part might be called, they are replacing it. "ReflashTCM" was referenced on previous work orders and here in post #661, by someone who had pretty much the same situation as I have.
I have some transmission abnormalities that have been documented here by others and now, something new that has me concerned. I didn't mean to offend with improper terminology, only share my situation and maybe get some feel for whether or not others have had the same or similar problems, and if they have had any luck resolving them.
I just learned that Hyundai does use the word TCM as in "TCM software" in their XG technical service bulletins. The thing is that XGs have one computer module called PCM for controlling both the engine and transmission and I remember they labeled it properly in their own service manuals. I really don't like them using the terms ECM/TCM/PCM interchangeably.....
I've had my car back for about a week, but am now waiting for roadside assistance to arrive to tow it back to the dealer. Same problem, get in and turn the key and none of the dash lights come on and the engine won't turn over. The computer has been replaced twice already. The dealer was very good about getting the previously mentioned paint problems fixed and also installed the replacement floor mat clips. Is anyone else having problems with the on board computer and the car not starting? Again, the service guys have been very good to deal with, but this is the third trip to the shop in the last month.
I've had my XG300 since March and I have 27000 miles on it. I just noticed the exact same problem when I put it in reverse. First a hesitation and then it "catches" with a jolt. Please respond and let me know if you have taken it in and what was the solution. I will do likewise.
Unbelievable! I got my car out of the shop today after a week long stay to fix the problem with it not starting. They determined it was a wiring harness problem and sure enough the car started right up when I went to pick it up. On the way home at 40 mph the car shut off and would not restart. They just towed it off for the third time (4th visit to dealer) in the last 6 weeks. I literally drove the car for less than an hour before it died. I love everything about this car, but this is the third trip for the same problem and tonight was a dangerous problem that almost resulted in a wreck. I hate to say it, but it's very close to being declared a lemon.
but all things are possible.A complete shutdown should be an easy problem to diagnos.The next time they have it "fixed"insist that the shop manager take it home for the night before they call you to pick it up.If he has no problem and it still shutsdown when you get it back,at least you will know the problem is with you.
excuse me lleroi? The shop manager did happen to take it home without a problem. I'm very curious as to an explanation of how you feel the problem may be with me. What does that mean? How could I cause the car to shut down and/or not start? What would you suggest I do different?
FYI, I just returned from the dealership and the service guy (the one that rights the tickets) also could not get the car to start. Sorry to blow your theory on it just being me. As I've said all along, the service guys have been great (Covington Pike, Memphis) and I have only praise for them. The problem stems from the fact that the electrical failure appears to prohibit the on-board computer from giving them the failure codes necessary to diagnose the problem. Again, they have now experienced the same problem first-hand.
do you have problems "blowing out" other electrical appliances? If so, maybe you have some weird kind of x-files type genetoc problem like an anti-matter spastic nerve that blows out electronics or prehaps anti-ionic high capacitor brain discharge syndrome. If not, its probably just a problem with your car & you are definitely not at fault!!! I repeat...unless your stereo & TV's, computers are also mysteriously blowing out your probably just fine...My wife tells me that the X-files is all based on true stories but am somewhat skeptical myself.
Um...thanks...I think. Everything else works fine, just the car is acting up. It was just one of those things where it would not work for me, but would work for the dealer. At least now they have experienced it too. Thanks.
i took to dealer for when coming to a stop, fairly quick, same pressure on foot pedal, feels like the car wants to keep going, sumtimes actually moves a few inches, w/ brakes on.... dealer says it has to w/the ABS...that it is NORMAL....i will see how bad this gets and take it back in.
also put 225/45/17 rims and toyo tires..keeping 37psi in all 4 tires......after 40mph the STEERING WHEEL vibrates (shakes) heavly....very annoying....rotated tires and did a balance to correct problem DID NOT WORK....anybody know what i can do to correct this?
Replacing the computer did nothing. The third to fourth shutter is worse than ever and the delayed and violent jolt into reverse continues to occur. When I called the dealer back to tell them it was no better after replacement of the computer, they said the next thing to do is replace the transmission. However, before they could do that, they would have to be able to duplicate the problem. Luckily, I stopped in the other day when I was nearby and was actually able to demonstrate to the service writer a perfect example of the jolt. The service manager had a transmission ordered and I am supposed to bring the car in Tuesday night and they will replace it Wednesday. I am cautiously optimistic about this and hope it corrects the problems once and for all. While it is there, I will see if they can fix the "air bag light on" situation that is back. When I first got the car this happened sporadically and they said upon inspection, that the connection under the seat was loose and for 28000 miles, it's been OK. Here we go again. I'll post again when I see if the new transmission helps. Good luck Cody and let me know what if anything you find out.
Keeping such high air pressure in low profile tires on a soft suspension could very well be your problem. Try lowering the pressure down to 30-32 and see if that helps. You could have also bent a rim already with the high air pressure. Low profile tires and high air pressure leads to a high susceptibility to bent rims.
THank you for the reply...I lowered all 4 tires to 31psi....wheel still shakes (left to right) or vibrates so to speak....
is there anything else i can check or do to TRY to correct this problem??...its VERY annoying...maybe the rim or rims have already been bent..i hope this is not the case...
since the tranny has been replaced @ 1600 miles..havn't had any problems w/it now @ 35k miles
have you made sure your wheels are "HUB CENTRIC" ..it could be that the rings that center the wheel aren't centering the wheel properly... if this has been check out.. then the last thing you can conclude is that your wheels are bent/out of round due to hitting a pot hole/bump
I had a similar problem with the front wheels of my sonata and it turned out that the threads in the tire broke hiting a pot hole. Replacing the tire fixed the problem. Try rotating your tires first to see if the problem goes away or moves to a different location. That will confirm if the tires are at fault. good luck.
I found out that lighting up on the gas when you want the car to shift and then pushing the gas back down will really mess up the learning curve of just about any intellegent transmission. This from someone in the know at Lexus that says the same thing will happen to Lexus. Remove the battery cable overnight and start over again. It worked for me at least so far.
The pronounced shuddering on upshift from third into fourth gear while accelerating on level ground; at approximately 2,400 RPM, is neither fictitious, nor can it be remedied by merely "causing the transmission to relearn shift patterns. I have had this problem since the car was new some 26,000miles ago. The dealer replaced one transmission at 1,200, to no avail and the factory rep asserted that the transmission fluid night have been contaminated, thus causing the second transmission to behave similarly. After two changes of the fluid and filter, some improvement was noted, however the car with now 26K is beginning to make the pronounced "clunking" noise sporadically when entering reverse. Seems to be highly correlated with the approximate mileage of others experiencing the same condition. And, NO! this is not just caused by a state of of heightened awareness or the power of suggestion!
It is interesting to note that the transmission does not misbehave (shudder while shifting or clunk into reverse) when the engine is cold. This abberant behavior occurs only at normal operating temperarture, possibly substantiating the case for the diagnosis of bad transmission fluid. I'll let you know if the dealer is able to remedy these conditions when I bring the car in for its' next warranty service. However, given the prevalance of this condition noted through this forum, alone, Hyundai needs to pay closer attention to its customers' and not merely dismiss their concerns. Reliability of Hyundai products is still suspect, (poor-near poor) according to the latest Consumer Reports Auto issue. There are many acceptable alternatives to purchase, possibly of even greater value given the recent price increases of new models selling at mark-up on the East Coast.
I'm a new XG350L owner with less than 200 miles. This car is amazing, but I'm confused about the operation of the A/C Mode button. Yes--I've studied the manual, but, like the auto seat function, maybe there's something that Hyundai left out.
This morning, 41 degrees F outside, I hit the Auto button and the light in the button over "A" comes on. I hit the switch, but the light stayed on. Then, as I continued to drive, about 3 minutes later the light went out.
Do I have gremlens, or, as I suspect, is the system smarter than me?
Thanks for any advice--I'd love a thorough explanation of the fresh air/recirc/auto recirc function.
AUTO...outside air first until interior is "COLD" as interior is cold enough it shuts out the A mode and keeps pumping until a set limit.. then the fan speed goes down until interior temp goes up again.
I have almost 1900 miles on the car now. It is getting about 21 to 22mpg which is not too bad. Don't know what it will get on highway. I am beginning to dislike the transmission. I don't like the "grabbiness" and uneven takeoff.
The other day, it scared the heck out of me with a bad case of hesitation when merging into the traffic. I don't know why it did that but it was VERY disconcerting. Did anybody else experience this problem and how was it fixed?
xford: I have about the same milage on my XG350L and understand the "grabbiness" you speak of. Sometimes when taking off I am almost thrown back in my seat. Other times the takeoff is relatively smooth. Have not had any hesitation as yet. Has anyone figured out the A/C system yet, e.g.: the A or O buttons ?
i'm guessing ALIGNMENT or your wheels are out of round.
the above link are the alignment specs.
when getting your alignment done.. please take it to a reputable shop that does alot of inch up wheel/tire combos, because most shops aren't properly equipped to adjust/correct problems.
When i had my alignment done with my 18"wheels installed, the tech said my toe in/out was out of spec.. as the chamber was dead on(our cars chamber can't be adjusted without chamber adjuster kits).
Have you had the transmission reprograming done? My XG 350L did the same thing, but after the reprogram at about 3300 miles, it doesn't surge at takeoff at all. In fact, the whole shifting pattern seems to be a bit soother. Check with your dealer
No, I have not had the car back at the dealer yet. I have 2100 miles on it now. I will bring it to the dealer when I put 3000 miles. Do you know if there is a service bulletin on this problem? What was involved with the reprogramming?
Now, I have another problem that happened a few times. When shifting from 2nd to 3rd, it seems to slip. At about the shifting point (around 2500 to 3000rpm), the engine will race to about 3500 to 4000rpm (and the car feels like it is coasting during this time) for a few seconds before shifting into the 3rd. Did anybody experience similar problem?
I hate to say it but I am really beginning to wonder about this car.
I just was bringing it in for a 3000 mile oil change and the dealer caught it - so I assume there was a service bulletin. They apparently had to download it, as it took about an hour before they got it done. Never had any apparent slipping, however. The "takeoff surge" is completely gone. Don't give up yet. I'd ask your dealer to check it out.
Had similar problem on a set of Falken tires, spent hours at the tire shop balancing, rotating, and rebalancing, didn't help. Problem went away immediately after replacing the tires with Michelin's. Lesson: got to be careful with those discounted tires.
William: Can you tell me the name and location of the dealership you used to service and reprogram the transmission? That might help in any discussion I have with them. Funny situation, this! Had the car out all morning today and couldn't get it surge. :-) Thanks for your input.
I had it done at Charlie Thomas Hyundai in Houston, TX. It's on the south side of Houston on I-45. Any dealer should know about the process, I would guess. Got about 4600 miles on the XG now, with zero problems.
My XG300 has a little over 15000 miles in about 7 months. I have had quite a few various problems, paint, alternator causing engine noise, wind noise to name a few. The engine noise problem after replacing alternator two times and the wind noise after replacing something two times are still with me. I have tried to ignore them, getting used to them. Now there is another recall from NHTSA that I was notified of by Carpoint. I believe that this is the third recall. This one is about the following.
INTERIOR SYSTEMS:PASSIVE RESTRAINT:AIR BAG:SIDE DOOR
Well, I guess I have been and still am losing confidence in XG300 with yet-to-be-fixed-but-still-bearable problems. Thanks for sharing.
The side airbag recall was just released on April 15 and owner notification hasn't begun yet. It includes all XGs made betwee 07/2000 - 07/2001. Apparently the connection between the side bag wiring harness and wiring harness connector is a bit too sensitive to seat movement, thus setting off the airbag light and possibly not inflating when it's supposed to. I believe there were some complaints in here of intermittent airbag lights that people couldn't seem to get fixed. Maybe this is your savior
The other recalls were minor and only affected a few cars. One involved the PCM unit being improperly installed on 1963 cars made between 08/2000 - 09/2000. The other one pertained to 3255 cars made between 04/2001 - 08/2001 that did not have the right tire pressure label installed.
Just had my XG350L in at 2400 miles because of "surging" while accelerating from a full stop. Their is an open recall on this item: My No Charge Invoice says "S100 ECM Reprogram". Took alittle over an hour and everything seems fine now. William, Thanks for the "heads up".
Comments
I was in for a few minor service items at the dealer a couple weeks ago and they mentioned that there was a recall for a reprogram of the computer. Something related to the transmission (but didn't get any details). They did mine - might have helped with a little of the lag I was feeling from 1st to 2nd. But that could be from readjusting the fuzzy logic after the reset too. There was the annoyance of losing all the radio stations, clock, seat settings, etc.
-Steve
#1-Cruise Control. Though I only notice the excessive downshifting on even the slightest inclines and the delayed upshift at the crest (up to 30 seconds), while on road trips, it is still annoying. I found that by tapping coast or accelerate quickly, I could force the shift back to the appropriate gear. No worthwhile input or solution from the dealer.
#2- Hard shift from 2nd to 3rd. This has always been very intermittent and when it flared up, usually lasted the better part of a day and then went away for weeks or months at a time.
#3- Shuttering from 3rd to 4th. Also came and went under varying conditions, speeds, types of acceleration, etc.
After reading earlier posts and follow ups about TCM reflashings, TCM replacements, trans. replacements, contaminated fluid replacement and problems still remaining, I decided for the severity of my symptoms, it probably wasn't worth the hassle of dealing with incapable or unknowing service departments and the frustrations that go along with that. I drove on, really enjoying my car (for the most part). Then recently, I noticed something new. Sometimes when shifting into reverse from park, there seemed to be a delay as long as five seconds before noticeably engaging. When it finally did, it was a very hard jolt into gear! At first it was only once in a while, but increased in frequency and severity over a short time. This was something new and in my opinion, more of a safety concern than the other things I had noticed. I took it to the dealer and they talked of a reflashing which I had been hearing about since last summer here, as being new and hopefully a possible solution for these problems. I was skeptical, but they reflashed and told me to pick it up. They could not get the "jump" into reverse to occur for them however and said to take it and see if it was still happening. It was so I took it back and now they have a "flow chart" from hyundai outlining diagnostic procedures to follow. They have checked pressures (supposedly OK). TCM readings of some sort are out of specs, so they are replacing the TCM and then they'll take it from there. Maybe they'll just have to replace the whole transmission if that doesn't fix it. I have mentioned the contaminated fluid theory to them several times, but they don't seem to know anything about that, and who knows where that will go.
I really like my XG, but to have this sort of mystery problem on a car with so few miles worries me a bit. I am curious if any others who might have had similar problems have had any solutions come up that may shed some light on mine. Thanks for any info that might be of help.
Which hyundai dealer is this?? VIN?
I have some transmission abnormalities that have been documented here by others and now, something new that has me concerned. I didn't mean to offend with improper terminology, only share my situation and maybe get some feel for whether or not others have had the same or similar problems, and if they have had any luck resolving them.
Ever so humble.......Peace!
FYI, I just returned from the dealership and the service guy (the one that rights the tickets) also could not get the car to start. Sorry to blow your theory on it just being me. As I've said all along, the service guys have been great (Covington Pike, Memphis) and I have only praise for them. The problem stems from the fact that the electrical failure appears to prohibit the on-board computer from giving them the failure codes necessary to diagnose the problem. Again, they have now experienced the same problem first-hand.
weird kind of x-files type genetoc problem like an anti-matter spastic nerve that blows out electronics or prehaps anti-ionic high capacitor brain discharge syndrome. If not, its probably just a problem with your car & you are definitely not at fault!!! I repeat...unless your stereo &
TV's, computers are also mysteriously blowing out your probably just fine...My wife tells me
that the X-files is all based on true stories but am somewhat skeptical myself.
@34,000 miles - front rotors warped, resurfaced
i took to dealer for when coming to a stop, fairly quick, same pressure on foot pedal, feels like the car wants to keep going, sumtimes actually moves a few inches, w/ brakes on....
dealer says it has to w/the ABS...that it is NORMAL....i will see how bad this gets and take it back in.
also put 225/45/17 rims and toyo tires..keeping 37psi in all 4 tires......after 40mph the STEERING WHEEL vibrates (shakes) heavly....very annoying....rotated tires and did a balance to correct problem DID NOT WORK....anybody know what i can do to correct this?
I'll post again when I see if the new transmission helps. Good luck Cody and let me know what if anything you find out.
is there anything else i can check or do to TRY to correct this problem??...its VERY annoying...maybe the rim or rims have already been bent..i hope this is not the case...
since the tranny has been replaced @ 1600 miles..havn't had any problems w/it now @ 35k miles
..it could be that the rings that center the wheel aren't centering the wheel properly... if this has been check out.. then the last thing you can conclude is that your wheels are bent/out of round due to hitting a pot hole/bump
It is interesting to note that the transmission does not misbehave (shudder while shifting or clunk into reverse) when the engine is cold. This abberant behavior occurs only at normal operating temperarture, possibly substantiating the case for the diagnosis of bad transmission fluid. I'll let you know if the dealer is able to remedy these conditions when I bring the car in for its' next warranty service. However, given the prevalance of this condition noted through this forum, alone, Hyundai needs to pay closer attention to its customers' and not merely dismiss their concerns. Reliability of Hyundai products is still suspect, (poor-near poor) according to the latest Consumer Reports Auto issue. There are many acceptable alternatives to purchase, possibly of even greater value given the recent price increases of new models selling at mark-up on the East Coast.
I'm a new XG350L owner with less than 200 miles. This car is amazing, but I'm confused about the operation of the A/C Mode button. Yes--I've studied the manual, but, like the auto seat function, maybe there's something that Hyundai left out.
This morning, 41 degrees F outside, I hit the Auto button and the light in the button over "A" comes on. I hit the switch, but the light stayed on. Then, as I continued to drive, about 3 minutes later the light went out.
Do I have gremlens, or, as I suspect, is the system smarter than me?
Thanks for any advice--I'd love a thorough explanation of the fresh air/recirc/auto recirc function.
O=Inside air
AUTO...outside air first until interior is "COLD"
as interior is cold enough it shuts out the A mode and keeps pumping until a set limit.. then the fan speed goes down until interior temp goes up again.
Both the A and O lights are off at startup. This is the default for outside air.
Just put back on stock 15rims/tires...Doesn't shake/vibrate now....
I never did get an alignment Yk911 as you said..I conclude this is the problem...
I went to a few alignment shops, they dont have the specs to do it, for this vehicle? Yk911 on your XG only the front needed alignment, correct?
w/36,500miles 01' xg300 ....car is great!
just UGLY!
They ruined it completely!!
The other day, it scared the heck out of me with a bad case of hesitation when merging into the traffic. I don't know why it did that but it was VERY disconcerting. Did anybody else experience this problem and how was it fixed?
I have about the same milage on my XG350L and understand the "grabbiness" you speak of. Sometimes when taking off I am almost thrown back in my seat. Other times the takeoff is relatively smooth.
Have not had any hesitation as yet.
Has anyone figured out the A/C system yet, e.g.: the A or O buttons ?
i'm guessing ALIGNMENT or your wheels are out of round.
the above link are the alignment specs.
when getting your alignment done.. please take it to a reputable shop that does alot of inch up wheel/tire combos, because most shops aren't properly equipped to adjust/correct problems.
When i had my alignment done with my 18"wheels installed, the tech said my toe in/out was out of spec.. as the chamber was dead on(our cars chamber can't be adjusted without chamber adjuster kits).
Now, I have another problem that happened a few times. When shifting from 2nd to 3rd, it seems to slip. At about the shifting point (around 2500 to 3000rpm), the engine will race to about 3500 to 4000rpm (and the car feels like it is coasting during this time) for a few seconds before shifting into the 3rd. Did anybody experience similar problem?
I hate to say it but I am really beginning to wonder about this car.
That might help in any discussion I have with them. Funny situation, this! Had the car out all morning today and couldn't get it surge. :-)
Thanks for your input.
My XG300 has a little over 15000 miles in about 7 months. I have had quite a few various problems, paint, alternator causing engine noise, wind noise to name a few. The engine noise problem after replacing alternator two times and the wind noise after replacing something two times are still with me. I have tried to ignore them, getting used to them.
Now there is another recall from NHTSA that I was notified of by Carpoint. I believe that this is the third recall. This one is about the following.
INTERIOR SYSTEMS:PASSIVE RESTRAINT:AIR BAG:SIDE DOOR
Well, I guess I have been and still am losing confidence in XG300 with yet-to-be-fixed-but-still-bearable problems. Thanks for sharing.
The other recalls were minor and only affected a few cars. One involved the PCM unit being improperly installed on 1963 cars made between 08/2000 - 09/2000. The other one pertained to 3255 cars made between 04/2001 - 08/2001 that did not have the right tire pressure label installed.
Their is an open recall on this item:
My No Charge Invoice says "S100 ECM Reprogram". Took alittle over an hour and everything seems fine now.
William, Thanks for the "heads up".