Lexus SC430 :: Parking Sensor Alarm Sounds Intermittently While Driving
Oct 15, 2015
My Lexus SC430 parking sensor alarm sounds intermittently while I am driving. (No, I do not tailgate the car in front.)
It has happened several times, all but once when it was raining. On that one occasion, the sun was shining. It happened again today while it was raining, and continued to sound after the rain had stopped, but the road was still wet.
What could be causing this to happen, and how can it be prevented. I have decided to fit an ON-OFF switch, if the problem cannot be solved conventionally.
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I have a 2005 SC430 and all of a sudden the alarm is going off. Twice today once at 6am and then at 7.30am. Since then (it's nearly 2.30pm) - nothing.
I've not changed anything inside the car since it went off this morning - and nobody was trying to get into the car. The problem of course is that it autolocks and turns on the alarm.
This has only just recently started happening. Is there anyway just to lock the car and disable the alarm?
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I have a 2009 VW JETTA. I have experienced my ABS alarm lights and sounds coming on in the past few months, twice while driving at speed in a curve and braking. Stopping the vehicle, turning it off and back on clears the errors, checking with my ODBII reader once I get home finds no errors.
Where this has occurred is a rather odd exit off of I-70 to Wadsworth Blvd., you are exiting at pretty good speed from the Interstate, curving to the right, then to the left and pretty much braking the entire time, and going into a slight bank. You can feel the increase in G's as you make this exit. I have also driven the exit and greatly reduced my speed and level of braking and the issue with the ABS does not occur. My local dealer is at a loss to find or explain what is occurring.
My questions are, is there something seriously wrong with my braking system (ABS), if there is, what is it, if there isn't, why does it do this only under the conditions that it is occurring?
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Two problems- disc light on instrument cluster stays on. Nothing wrong with disc. Horn sounds when starting car. I have to sequence lock/unlock several times, then start again. Horn sounds intermittently, when driving.
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Yesterday, my SC430 started screeching and the VSC lights came on. I had never heard this alarm before -- sort of between a whistle and a screech. I was a few blocks from home, so I continued on. I did not notice if the ABS light was on at this time, but I don't think it was, because I would have noticed an unusual light on the dash.
I disconnected the battery briefly, but not 3 minutes, and the alarm continued when I switched the car on. This morning, I disconnected the battery again, this time for more than 3 minutes. Again, the alarm screeched when I started the car and pulled out of the garage. I switched it off, and then back on, and the alarm stopped. I thought I had solved the problem. I was wrong.
Later this morning, I drove to the bank, and when I took it out of drive after visiting the ATM, the alarm started again. It continued until I got home. This time, the ABS light is on, in addition to the VSC lights.
On the way to the bank, I made one fairly hard stop at a yellow light, but I have made far harder stops without any lights -- and especially annoying alarms -- coming on.
None of the posts I have found here mention this alarm when the ABS light is discussed.
I have checked the brake fluid level, and it was full. The car was in a Toyota dealership last month for its 120,000-mile timing belt, and the rear brake shoes and rotors were replaced then.
I have yet to begin checking the fuses, but I don't really think this is the problem. Before I try bridging the post in the computer terminal, I plan to visit the local auto-parts store that will read the computer for trouble codes.
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My 2005 Ford Escape's alarm goes off intermittently throughout the day and night. This usually occurs after the door ajar light comes on while I'm driving. All doors are secure and I've even replaced the latch assemblies on the driver's door and rear hatch (these are the most used doors). There must be something in this circuit that is causing this to happen. It is frustrating having the alarm go off in the middle of the night when there are no obvious intruders. How can I resolve this issue without replacing any more latches or spending a large amount on diagnostic tools from Ford?
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I installed led bulbs for the parking lights and the vsc/vsc off lights came on, also when i tap the brakes it beeps and the abs and brake light comes on for a few seconds.
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I have a sulfur smell in my 05 since new, it now has 23k and is a little better now. The dealer said to switch gas stations. I haven't noticed this. I notice it going up hill with the top down sometimes but mainly after parking it in the garage. The dealer said it would not hurt the car. I worried that it is running too rich and damaging the coverter, plus it is annoying. I love the car but it sure isn't perfect.
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The other day I backed out of my garage and didn't notice that the parking brake was still engaged. The car rolled out without a problem.
Only when I put it in drive did I realize that the parking brake was on, since the car didn't roll forward. I also got an audible alarm.
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Parking assist & sensors for back is working and show alert in screen but no sound alarm. I need to get more information about the car i just buy it....
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The navigation door stopped working about 6 months ago while the navigation screen still worked fine. Two weeks ago the door started to work as it should be, but today it stopped working again.
According to other threads people have published this could be from the door being off-track, a broken motor, and a blown fuse. Obviously none of these scenarios could be apply in our case.
Btw, I checked all fuses and could not find any problems with them.
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On my 2007 SC 430 I have a passenger headlight that appears to have a mind of its own. It works intermittently. I know that it is programmed to go off when the car is in park, but that is not what I'm talking about. When I start the car after dark both sides will be on but at some point the passenger side will go out, not all the time, but quite often. I have checked for loos wires but have not found any.
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What is the location of the Coolant Temperature Sensor? I search but I couldn't find a picture or diagram for our car.
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I was wondering whether a faulty 02 sensor (in my case bank 1 sensor 1) is bad for the motor or not?
It is clear to me that a worn out 02 sensor can cause the following problems:
Wastes fuel
Can cause engine performance problems, such as surging and hesitating
Is the number one cause of excessive harmful exhaust emissions
Accelerates catalytic converter damage
BUT are there any other risks in case of damage on the long term?
What the ECU will do in case of a faulty 02 sensor? Will our Lexus order a rich fuel mixture to prevent heating problems or are we also running the risk of a poor mixture?
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I noticed my engine light and vsc lights came on two days ago and then after a restart went away.
It's been two days and today the lights came on again and I noticed a hesitation in acceleration.. got the codes scanned I believe they were p0330 and p0325 for bank 1 sensor 1 knock sensor. They wiped the code so I'm going to drive it to see if it comes back on? Where is this sensor located?
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I bought my 2004 SC 430 used in 2005. The seat belt "reminder" buzzer or ding was silent and I have left it that way. Now that I am a member of this forum (just joined mid February) and after having so many questions answered solving problems I have been living with (like a steering wheel squeal when it retracts to let me out of the car, and a knocking above and behind the back seat, which turned out to be the shell that goes over the top when it is down, and lots of other solutions to things I did not want to go to the dealer about) I decided it is time to see if I can reconnect the seat belt warning. So, might that be a fuse?,Or maybe some wire under the dash that has been unplugged?
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Where the sensor that detects when someone is sitting in the front seat is located on a 2014 IS350 F Sport with Navigation? Or, which wires are used on any of the harness for the seat sensors? Currently, the heated front seats only turn on when someone is in the seats and I would like them to turn on when the car is remotely started. I’m thinking I will override the sensor with a timed latched output of my alarm/starter CM-7000AS. If I don’t find any adverse effects, I may just permanently override the sensors.
The only thing I can think of at this point that overriding the sensor would change besides the heating element is the passenger airbag would always be on.
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I just got a beautiful red '06 with only 19k miles. It's my second SC, and I can't believe how much I missed it after a four year break.
However, there's already trouble. The roof only opens intermittently. When it works, it's all good, no vibrations, nothing off track, smooth operation all the way open and close.
When it doesn't work, the red light on the open/close button will NOT light up. Nothing happens at all. I will come back to the car a few hours (or minutes) later, and it works fine. The problem never occurs for closing, only opening. Also, several times now I have closed my roof, and then immediately tried to open it again, but no deal. Those symptoms make me think it's not the ECU, but one of the sensors.
BTW, there is no Luxlink installed yet. I have yet to find one that includes the double-click option
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I have purchased a second hand Lexus GS350 F 2015 with only 12,000 miles on it. I do have an issue with the parking brake. It works fine sometimes, and sometimes it blacks out and I keep getting the (!) sign and message saying (Check Parking Brake System, Parking Brake Inoperable) with blinking red Parking sign. It simply releases the brake and it doesn't function at all. It goes sometimes by itself and comes back. This issue usually happens after driving the car mileage not immediately when starting up the car. How to handle this problem and which part is malfunctioning.
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I've had my '09 ES 350 for a few months now. I am disappointed in the low volume of parking sensor alert. The volume is all the way up and the switch is on. Expecting it to be louder as I am or do I have a faulty "speaker"? I'll be going to the dealer next month for service and will get their opinion at that time.
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All of the sudden today my parking sensor started going crazy! going off for no reason I turned it off and later turned it back on it seemed fine.
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