Passat (B5) :: 2003 - Backlight On Heat Unit Is Flickering
Jan 30, 2011
2003 Passat with 60 k 1.8
The backlight on the heat unit (the three dial switches right below the radio) has been going on and off. There is no pattern to the outages. I figure the wire harness connection has a problem. A few questions: How to I take that unit out? It is like the radio that I can pull out? I figure that with the radio out I may have access to the wire harness, but I have never pulled the passat radio. If I can get in there, what color wire on the harness runs the backlight?
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I complained about this 8 months ago and they replaced the compass display module. Then my battery died about 6 months ago and they replaced the compass control module. Now it's flickering--worse than the first time where the backlight was turning on and off. It's just the backlight that appears to be flickering.
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This has manual knobs - NOT CLIMATRONIC. This actually happened months ago, I bought a new bulb, pulled trim piece and it looked like a PITA. It appeared that I would have to remove the radio to pull the climate control module, but I didn't want to bother w that at the moment. I'm sorta hoping that it is like the B5 Passats in that the bulb is just behind one of the knobs and it's accessible by pulling the knob off. I wasn't sure though, so I didn't want to start pulling on stuff till it broke.
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The car is a Taurus Wagon. It does not put out any heat. It is a flapper door issue. I tried changing the blend door actuator as the old one did not move when the temperature was changed from cold to hot. Unfortunately the NEW one doesn't either, nor does it move when left hanging, not in the dash. It is an automatic temperature control unit. When I had the actuator out from under the dash, I could move the blend doors easily with the little lever, and get excellent heat, so I know it's not a heater core issue.
Everything on the dash unit, which includes the stereo/radio controls and buttons to shift the air from floor to defrost seems to work fine. It shows the desired temp, but won't go to it. I have checked two fuses that are supposed to feed the HVAC system. I have even installed a different dash unit from another Taurus to see if it made any difference. That included a second temperature sensor, the "Y" shaped thing near where the white hose connects to the back side of dash unit.
I admit, I'm lost. I don't have a good wiring diagram, and don't know if I could read it well enough if I did.
Is there a relay or something in the system between the controller and the actuator that I don't know about?
Which wire or wires in the multi-pin connector that plugs into the blend door actuator are supposed to be hot at what point?
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The heat in my friend's 2003 V6 Passat Wagon auto has stopped working. Coolant was flushed . He say's he smells a burning smell when he drives it. The heat will be set to max but no heat will come out. These are the codes I found.
Address 08: Auto HVAC
Labels: 3Bx-907-044.lbl
Part No: 3B1 907 044 J
Component: CLIMATRONIC B5GP 0005
Coding: 17200
Shop #: WSC 05311
5 Faults Found:
00603 - Footwell/defroster Flap Positioning Motor (V85)
37-00 - Faulty
01271 - Positioning Motor for Temperature Flap (V68)
37-00 - Faulty
01272 - Positioning Motor for Central Flap (V70)
37-10 - Faulty - Intermittent
01274 - Air Flow Flap Positioning Motor (V71)
37-00 - Faulty
01341 - Control Module in Instrument Panel On Comfort CAN (J285)
27-10 - Implausible Signal - Intermittent
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2000 Passat wagon v6.
Both key fob buttons do NOT work but they will manually unlock the drivers door and drive the car. They both had batteries replaced.
Also, every time I open the door, the interior lights will flicker on every 3 seconds until I start the car then it goes away.
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So, I have have an intermittent flickering of the battery light. The weird part is that it ONLY happens between 80 and 85 mph. Any faster or slower and it doesn't happen. It's not a steady flickering, but a random intermittent flicker. What the issue may be? The car has a new (within 2000 miles) battery and alternator. 1.8t with manual transmission.
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i have a 2002 passat b5.5 and i have been having this problem every time i use one of my turning signals it sometimes turns on..........but quickly shuts off...and then sometimes it doesn't turn on at all..
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I have the Bi-xenon's I had installed on the top and I wanted my Fog lights to match. At a performance shop they installed Can Bus Ballasts with 6000K light to match the top Xenon's. I turned Cornering lights off in VI -COM so my car will stop kicking on the dash light every time I turn a corner. Here the weird part.
If I turn my fog lights on during the day NO FLICKERING. But at night the front left Flickers. I've replaced the Ballast and the light and it still does it. I think it has something to do with the Automatic Switch that turns the lights on at night.
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195K, B5, 1999, AEB. The battery light on the dash is flickering...mostly off, but the light (battery symbol) lights up ever-so lightly...then off, then on...on for about half of a 45 minute drive last night. Voltage regulator? Alternator? The battery seems fine, as it turns over after a cold night...
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The last month or so, I have noticed that my dash board lights (red lights) and my actual interior lights that come on when you open the doors to vehicle will flicker sometimes...And it can get bad I guess and annoying. It's more of it pulsating really. I noticed today while driving home and I had the radio on loud it was doing it and I do not know if was just in my head that it was doing it more when the radio was loud or what, but this is ridiculous.
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I have a 06 passat and I installed a kit, and it keeps flickering, any reason why this would happen... My drls have been disabled, and i thought that should clear the problem.. it hasnt..
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99 passat with 160,000 miles. I am having a issue with my instrument cluster panel. RPM gauge keeps flickering and when i brake it drops all the way to zero. Also when i brake the oil light starts flashing. I had it in a shop and the guy said the oil was fine and that he though the cluster panel was bad. I got a new cluster panel and still same thing happens.
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So last night my son left the one of the interior lights on and when I locked the doors they started flickering...
Totally clueless of what is happening, just now I was taking a video of the issue to post here when I noticed on the dmf showing the trunk lid like open flickering also is that where the problem may be...? I checked the bulb in the trunk and is on and working including the led stripes that put there to get more light... I taped on the trunk bulb...
[URL] .....
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How to remove the standard AC control unit from the dash? I tried unscrewing all the visible screws. It gets loose but wont come out. I have a rattle. I am trying to solve.
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So I am pretty sure my factory head unit will stream Via Bluetooth from my iPhone or my android, it's pairing with the car for the phone feature.
However it won't let me stream music, there is an Icon on the stereo but it doesn't do anything.
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What harnesses or adapters do I need to get my some aftermarket speakers plus my aftermarket subwoofer hooked up. I have a 4 channel for the speakers and a mono for the subwoofer.
Trying to figure out whether to go this route or buy the wiring harnesses and dash kit needed for my old pioneer d3 double din HU and hooking up RCA's that way.
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At 130,000 I replaced the transmission. Now, randomly the car has flickering lights on the dash while I am driving. The radio flickers, and the tach/speedometers drop to zero. After this happens and I turn off the car, the car will not restart. It is completely dead. If I wait 2.5 minutes, there is much clicking in the dash, then everything comes back to life. No one can figure it out. I will add that in the 9 years I've owned this thing, I have replaced 5-6 batteries. The transmission guy says something is pulling on the battery, but he nor Honda can figure out what it is.
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After installing the new head unit in my 06 Passat 2.0T, the "Airbag Fault" error appears on the MFD upon startup and the airbag light on the gauge stays on.
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I have a VW Passat V6 1999. i got 2 codes that came on p1625 and p1749. i checked those two codes and they were the same similar codes with the same reading: Transmission Control Unit Incorrect coded. Explanation: Check coding on TCM- wrong module, and Data - Bus powertrain implausible message from transmission control explanation: open or short circuit condition. the catalytic converter is missing. the car also has trouble starting up. but my main question is what do i do to fix the "Transmission Control Unit Incorrect coded"?
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Over the past weekend i noticed all the electronics having a slight "flicker", so I figured my alternator was on its way out. After replacing the alt with a reman, I still had the issue. Then, replaced it with a new new one and the issue still persists. I will be getting a meter to test later when my buddy gets off work. The gauge on the dash is running high and battery light is flickering. Is there something I am missing? I ran another ground to frame also.
2001 SCAB 5.4 144,000mi 4x4 ....
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