Question about BMW X3 Series

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Ac, radio and turn signs go on and off

I have something weird going on with my car. One of the days, the right and left turn signals did not show on the dash board as I was driving. I stopped and checked, and the actual lights on the car were blinking. Next, the radio started to display “disabled” and the AC stopped blowing the cold air.

The following morning, as I started the car, it was fine. I took the car to the dealership and they said there was nothing wrong with it (yet, they charged me for the diagnostics).

The car was fine for a while, and now it started to do it again, but it comes and goes. I think it does it when it is hot, but this could be a co-incidence.

I took the car to a mechanic (not a dealership), he was not able to tell what’s wrong. Any ideas as far as what this could be?

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Were you ever able to find a solution? I've seen several threads which link the problem to the radio connection or the CD changer connection in the trunk...

Posted on Nov 13, 2009

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Not sure of problem, the next time it occurs go straight to a dealer and pull up where you can leave it running and have them explain it to you they cannot fix what they cannot see.

Posted on Jul 08, 2009

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1 Answer

1996 3500 sierra left signal causes all lights to flash


Well, you're dealing with a short. If the right turn signal only works the right side bulbs, you know you're issue must be in the switch. The only way left turn signal would light the right side, but the right signal would not light the left is if you added a diode, which I doubt is the case. So the switch itself is suspect. That or a wiring issue. If you just bought the truck, and this is an existing issue I'd suspect wiring. If it just started doing this I'd suspect the switch.


I would check to make sure someone didn't monkey with the wires and switch the left turn signal with the hazard lights or something (do your hazard lights happen to flash only the left turn signals?). If it has or had an aftermarket alarm you need to check their work and see what may be screwed up. Alarm systems often tap into the parking lights, which will look like all 4 turn signals, but are actually dimmer filaments. Flashing the parking lights would actually make your radio flash too, so I'm kind of leaning this way. Can't say for sure on limited information though.

Aug 16, 2016 | Cars & Trucks

1 Answer

I have a 2010 cobalt lt. Today both my feont speakers quit working. And now my turn signals make no noise. Or the door chime or the seatbelt indicator does not work. What causes this and how do I fix it?...


The chimes an turn signal noise come out driver door speaker . Both front speakers not working could be a blown circuit fuse inside the radio or just blown front speaker channel . Your best bet , take it to a GM dealer or someother qualified repair shop . You have no idea of the complexity of this . The radio can set DTC'S - diagnostic trouble codes , believe it or not !
DTC B1025, B1035, B1045, or B1055
DTC B1025 01: Audio Output 1 Left Front Circuit Short to Battery
DTC B1025 02: Audio Output 1 Left Front Circuit Short to Ground
DTC B1035 01: Audio Output 2 Right Front Circuit Short to Battery
DTC B1035 02: Audio Output 2 Right Front Circuit Short to Ground
DTC B1045 01: Audio Output 3 Left Rear Circuit Short to Battery
DTC B1045 02: Audio Output 3 Left Rear Circuit Short to Ground
DTC B1055 01: Audio Output 4 Right Rear Circuit Short to Battery
DTC B1055 02: Audio Output 4 Right Rear Circuit Short to Ground

Each of the audio output channel circuits (+) and (-), at the radio and audio amplifier have a DC bias voltage that is one half of the battery voltage. When using a DMM, each of the audio output channel circuits will measure approximately 6.5V DC. The audio being played on the system is produced by a varying AC voltage that is centered around the DC bias voltage on the same circuit. The AC voltage is what causes the speaker cone to move and produce sound. This voltage will vary depending on what type of audio is being listened to, talk or music, and type of music, as well as the volume setting of the system. Low volume and talk settings will measure around 1V AC and less, where constant music may measure 3V AC and slightly higher.
DTC B1287 01: Amplifier Control Signal Circuit Short to Battery
DTC B1287 02: Amplifier Control Signal Circuit Short to Ground
DTC B1287 04: Amplifier Control Signal Circuit Open

The radio provides a remote amplifier mute output circuit to control overall muting of the remote amplifier. The amplifier receives pulse width modulated (PWM) signals on the control circuit at varying duty cycle percentages for controlling muted and unmuted functions of the amplifier. Circuitry internal to the radio monitors the remote amplifier mute circuit for faults and sets the appropriate DTC when faults are detected.

Feb 16, 2018 | 2010 Chevrolet Cobalt

1 Answer

Emergency flashers flash when right turn signal lever is used. Left turn signals work normally


Check your grounds especially on the right turn signals. A bad ground will make it do all kinds of weird things.

Jan 03, 2012 | Volkswagen F 224 Cars & Trucks

1 Answer

Need to replace left turn signal flasher


This is weird! It seems to me that the left turn signal is getting 12v from somewhere at all times.I don't think the flasher is the problem(most GM systems use a single flasher for left and right)You probably have a crossed wire somewhere(or an add on accessory was connected to the left signal wire,allowing 12 volts to bleed through to the circuit)

Dec 31, 2011 | Pontiac Bonneville Cars & Trucks

1 Answer

When I turn my lights on, the two turn signals stay on and none of the dash lights come on. The turn signals flash when you flip the lever left to right so i know the problem is not in the blinkers or...


sounds like an open to the lights in the instrument panel, if the lights work in the radio, ac panel, etc.

Or, all the bulbs burnt out at once (unlikely).

Maybe the harness to the instrument panel is loose, but only is accessible after removing the dash board.

Jul 11, 2010 | 2000 Ford Taurus

1 Answer

My volvo 850 making noise in left turns


You have a bad CV joint ... get it fixed right away or more damage can occur....and the car wont move if it does go all the way out.

Sep 15, 2009 | 1996 Volvo 850

2 Answers

97 Chevy truck blinkers not working but hazards do


Try replacing the Flasher first before spending to much money for a possible simple fix. If it's not your flasher then it could be the turn signal leaver.
Ok, this may seem stupid, but that's what they did to the blazer. They set the flasher near the middle and under the center console behind the radio.


It's to the left of the radio right behind the dash. The hazard flasher and the turn signal flasher are side by side.  It right next to the Cig lighter behind the panel. They do mark the turn signal from the hazard flasher on the plastic behind them. Turn is on the right.

Good luck and hope this helps.

May 02, 2009 | 1997 Chevrolet Blazer

2 Answers

FUSE BOX DETAILS


left to right...
1. empty
2. e flashers
3.horn, brake lights
4.clock, trunk light, inside light, radio
5. rad. cooling fan relay (AC only)
6. right side running lights
7. left side running lights
8. right high beam and indicator
9. left high beam and indicator
10. right low beam
11. left low beam
12. reverse,turn signal and inst panel
13. main and transfer fuel pumps, auxiliary air reg., ox sensor heater
14. license plate and glove box light
15. wipers
16. rear defogger
17. heater blower (no AC)
18. cig lighter
19. rad cooling fan (no AC)
20. Heater blower (AC)
21. rad cooling fan (AC only)
22. empty
23. Ox sensor, idle stabilizer,seat belt warning relay, (Digifant only, control unit, idle boost control, idle boost valve)
24. inst panel lights, heater control lights
25. reading lamps
26. empty
27. empty
28. empty

Hope this helps...;-)

Apr 17, 2009 | 1992 Volkswagen Fox

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