Phaeton :: Brake Fluid Warning Light Intermittently?
Jan 10, 2008
About three times in the last month the Brake Fluid Warning Light has come on as I merge from one freeway to another, taking a curve at about 60 mph. After about 20 seconds the light goes out. I do have brakes while the light is on.
I imagine this is a case of the brake fluid being a little low and the sensor coming on when the fluid shifts as I round the curve? Car is going in for 40k service early next week and will have them look at...
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2009 LS600 ... Pulled up to a traffic light and noticed the red brake warning light had come on. When I went to pull away, the car would not budge! I turned the car off and restarted and it went fine.
Now, intermittently, the red warning light comes on and off. I tried googling this topic to see if there were any references to it happening but found nothing. It tends to come on when I'm slowing down but it has come on while normal driving as well.
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I just installed new front brakes and rotors on my 2004 2.7L AWD, and since then the brake warning light on the dash comes on occasionally. Typically, it will turn on when applying the brakes. Usually for a longer period of time to a stop. (Rolling up to a stop sign/stop light, rather than slowing down for a turn). It will either stay on for about 15 seconds or not go off until I hit the brakes again. My e-brake handle is all the way down.
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2004 v8 phaeton. I have the brake warning light flashing, and the message
BRAKE. BRAKE FLUID. STOP CAR. Have checked the level, O.K. And have tried to flush the system by bleeding the brakes. no positive results.
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There are a few threads on a sticking parking brake resulting in the warning light remaining on. Mine has developed to a stage that it requires a toe under the foot pedal every time to silence the alarm.
I finally stuck my head in the footwell this morning to look at the mechanism, expecting to see a strained spring. However there was no spring in evidence and I saw that when the parking break is released, the cable remains with some free play above the contact point with the pedal: i.e. there is no tension on the cable when the pedal is released, there is about 15mm of "free cable", leaving the pedal almost "floppy".
Observations
1) The pedal has no spring to return to it's correct position. Based on self study guide SSP_277 this is not as it should be as on page 37 this discusses a spring mechanism in the pedal
2) I would image there should be tension in the cable even when released; I feel the rear mechanism requires inspection as there are springs there.
3) While the parking brake works fine, It has a lot more travel that it previously had. Thus something is worn, stuck, or the self adjusting mechanism is not working.
4) For the record, car has 110K miles, the temperature is above freezing, the behaviour is not weather dependent and the parking brake has been routinely used (2008 car).
5) My recollection from new is the parking brake was released with a significant spring action: quite abruptly.
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2010 F150 XLT 4.6 3 V
No leaks
New pads and rotors
Intermittent BRAKE (red) light in dash , no other symptoms
Brakes work fine, mechanic is baffled
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So my 2007 Accent/Hatchback started having this weird issue the other day.
My Parking Brake/Low Brake fluid Level Warning Light will coming on while driving and then all the gauges drop down. The light goes off and the gauges come right back up. All this happens within 2-4 seconds maybe. And usual happens maybe once every 6-7 times I drive it so not all the time.
I am driving, not braking so even more confused.
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Yesterday the brake warning light came on in my 13 350. I checked, and the fluid level in the master cylinder was at the "min" line. I don't think I've ever had to had brake fluid in any car before. Seems to be Ok today, but I was wondering if other folks have had this happen? Of course if it happens again I'll have to check the brake system. Just wanted to check.
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I have a very annoying "check brake light" warning popping up in my dash with a small beep every time I brake. It seems that some of the LEDs are sometimes not illuminated but in a sort of varying configuration. Is this possibly a connector issue? (where are the wires coming from?)
Do I need to replace the LED-bar as a whole or can it be mended in subunits?
When I have to work on the light, do I REALLY have to remove the entire backseat and hatshelf (as WillemBal did to get rid of a fly that was stuck there!) or are there less invasive procedures that can be performed?
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Just got in the car and the washer fluid low warning popped up on the dash. As I'm refilling it and get towards the washer bottle being full I see it leaking out the bottom of the car. The car hasn't had any impacts and it's mild here at the moment so the bottle hasn't frozen and cracked but seems to have just started out the blue. Otherwise, swap the washer bottle? I seem to recall seeing it when replacing one of my horns and can't imagine it's much of a job but you never know!
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I started back up again and 10 seconds later it came back on, but then went away for the rest of the 30-minute commute. Went out during lunch today and there's no message.
I'm gonna do a vagcom scan when i get home, but wanted to know if there's any history of brake fluid leaking and needing to be topped of.
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I've recently replaced all my brake pads front and back. After doing so, the Break Fault warning would come on intermittently (This warning would come on prior to replacing the pads on long hard right turns very sporadically). I tried bleeding the front breaks again, but after doing so the brake fault warning stays on continuously.
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In my one-owner purchased-new 2005 Prius w/ 74K miles and w/ no maintenance/accident history other than doing all scheduled maintenances at Toyota Dealers along w/ recalls applicable at each time (other than we had Toyota replace the 12V battery last year just because I knew it would die at some point anyway and I don't like pushing my luck; I'm not 100% certain if there's been a recall on any water pump for this car and if so, don't believe the dealer has mentioned it), I have the following indicators which appeared all at once while I was driving along at around 45 MPH in no unusual circumstances (80F, dry afternoon, about 30 minutes into a trip of mixed speeds, no loads in the vehicle, no effect on the car while driving):
From Left to Right on the display:
1) Red Triangle - Master Warning Light
2) Orange (Symbol)CHECK - Malfunction Indicator Lamp
3) Orange (!) - Brake Warning Light (but it didn't highlight the word 'Brake' in red)
4) Orange VSC - Vehicle Stability Control Warning Light
On the Screen:
Orange Car w/ the ! symbol - Hybrid System Warning Light
We immediately aimed for the house (about 5 miles away); the car drove perfectly fine, with the engine stopping and starting at lights as needed, with speeds going from the 55MPH we were traveling at the time of the alarms down to 0 and back up thru 35/45 MPH and such per normal off-interstate driving. The battery currently shows all the blue bars, and the engine and hybrid systems showed charge/discharge as usual as we drove. There was no discernible change in the driving reaction of the car to brake, steering, accelerator, etc.
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Had a small brake fluid leak from my right-rear wheel, so I took it into a local place called Wheel Works. They said the right-rear caliper needed to be replaced, so I told them to go ahead.
Two days after I pick up the car, the ABS light and brake warning lights start flashing intermittently. They'd come on at random times, and then turn back off. After about 2 weeks of this, the warning lights are now on all the time.
I've read elsewhere on these forums that the ABS module on our cars can go bad and might need to be rebuilt. But is it possible that the mechanic caused this problem when he was working on the brakes to replace my caliper? Could it be something more minor than the ABS module? I now have reason to believe this mechanic is shady, so I'm hesitant to bring it back there.
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I have returned from abroad after 7 weeks, and my late 2004 Phaeton (3.2 Petrol) has taken a day to "power up" and for some warning icons to disappear. After two days, I have the "Check Brake Pads" warning on. It happened only an hour ago. My breaks feel okay. The car has done 28000 miles.
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2001 F-150. I've got a leak around the warning switch and can't seem to find info about replacement. Is the switch and switch retainer screwed into the reservoir or is the outer ring screwed into reservoir and more of a compression type fitting that holds switch in place? Also, after removing and repairing will bleeding be necessary? Looks like everything I'm taking apart is above fluid level after I siphon enough fluid from reservoir to replace fitting.
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How the rear, high center mounted brake light (ie "3rd brake light") intermittently lights individual bulbs, but never all at once. It was also causing an annoying "Check Brake Lights" warning plus beep on the dash (on every brake). Till I get it sorted I simply disconnected the 3rd brake light which completely turned it off and just gave me one warning/beep (instead of lots of them).
I spoke to VW about it yesterday and wasnt impressed by their attitude, so last night I tried plugging it back in to see if it was still the same now that my battery should be topped up due to change of house and longer trips. To my surprise at first it worked perfectly, all bulbs lit up.
However the more I tested, the less lights lit up. It was quite strange, they would "dance" on an off right in front of me. Wiggling the wiring had a small effect, but it didnt seem to be a wiring issue. So I plugged it out and left it was it was (disabled). However to my annoyance on my trip in today, I start getting repeated "Check Brake Light" warnings beeps (remember, its disconnected so it should do it once only) and even more irritating every time the warning came up on the dash the front left headlamp would flash on and off once! What the hell is going on with the lighting system!
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I've got some issues with my 2005 Toyata Prius (~150,000 miles). My wife was driving recently and the "Master Warning Light", the "Hybrid System Warning Light" and the yellow "Brake System Warning Light" all came on.
Some quick reading of the owners manual said we should take it to a dealer right away, but because it was a yellow, and not red, brake system warning light it seems ok to drive at least to a dealer. in regard to the yellow brake system light the manual said it could be that: "the regenerative brake system failed or that the hydraulic brake system failed".
Now, I have a cheap bluetooth OBD reader hooked up to the "torque" app on my phone and I thought I would try to see what error codes there were to learn more. But strangely, it did not read any fault codes. I've used this reader successfully on my 2001 Mitsubishi galant, but I'm not reading anything for the prius in this case. I'm not sure if there is legitimately no error code associate with the warning lights or if my app is just failing to read them for some reason.
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I decided to tackle my ABS warning light issue because it's been on and off intermittently since I bought it.
I first suspected bad wheel sensor(s) per many previous threads. I borrowed a scantool with the ABS diagnosis and found that all 4 wheel sensors are reading same speed value, but they indicate wheel speed of about half of the speedometer reading. Another thing I noticed was that the ABS main power relay output is "1bit" when the ABS warning light is OFF and is "0bit" when it is ON.
So it seems like the ABS power relay is bad. My alldata manual for this model says that the part number for the relay is FOAZ14N089A but it also says that "the ABS is not equipped with an external ABS Relay. According to wiring diagrams provided by Ford, the function of the ABS relay is incorporated into the ABS module". Does this mean that I have to replace the whole ABS module or HCU just because the relay is bad?
Why wheel speed is different than speedometer?
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My 2010 Prius airbag warning light (red light in instrument cluster) comes on intermittent.
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The airbag warning light came on last week and stayed on for my hour commute home. Later on that same evening, I took the car out again, and the light was off. Stayed off for about 3 or 4 days and now comes on intermittently. I called the dealership today to try and set something up, and they said if if it's coming on intermittently, check under the seat for anything obstructing the airbag sensor and whatnot. I looked today and found nothing (I keep my car extremely clean) but none the less found no issue. The service advisor from the dealership also said that I need not bring it in unless the light stays on all the time. But I'm insisting on bringing it in in the next few days. I'm just concerned that either the airbags may inflate without cause, or may not inflate in the event of an accident. Should I wait until the light stays on? Going into the service department at my local dealer is always at least a 2 hour ordeal and they don't issue loaner vehicles unless they absolutely have to. I just don't want to waste my time.
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