[sheervelocity]

The lock on the key fob also does not work. This problem began happening sporadicaly and would either work fine, not work at all or go bonkers and keep the lights on after the engines off and randomly start blinking turn signals.
The relay on the BCM gets tripped and starts clicking doesn't stop til it decides to or i yank the negative terminal on the battery. I changed this relay up the DIY method on this site to fix the stuck turn signal when i bought the car.
Sometimes I could activate the power windows by locking and unlocking the fob while driving although this would usually trip the relay.

Has anyone had this problem yet and found a solution, thanks

 

[sheervelocity]

Oh yeah its an 03 tib gt. None of the fuses are blown, want to see if there is a fix before i pull the bcm

 

[Andalia8486]

I have run into this, and I can offer a solution but i will urge u to never use that key fob again :/
I only know solution for manual.

To override all security, put your key in turn to on poisiton as if your starting the car but don't put foot on clutch.
hold there for 10-20 seconds. turn off, take out key, and u have overridden all security and can start car and all electrics should work.

 

[sheervelocity]

Hey unfortunately this did not solve the light issue

The light problem actually started happening earlier but once i opened up the passenger door and the alarm did go off. I unplugged the alarm horn and had to bump start the car then got it home, looked up that solution and it worked cause the car started up again. However this did not solve the light issue

I have run into this, and I can offer a solution but i will urge u to never use that key fob again :/
I only know solution for manual.

To override all security, put your key in turn to on poisiton as if your starting the car but don't put foot on clutch.
hold there for 10-20 seconds. turn off, take out key, and u have overridden all security and can start car and all electrics should work.

 

[sheervelocity]

Anyone have info on this? Do these all run off the same relay? If so which relay is it the one on the BCM or a different one?

 

[crackerjack]

same problem its stressing me out.


Anyone figure out a solution?

 

[Inkelement7]

I've got the same problem. I got an 05 and the turning signals, power windows, interior light, and speedometer light stopped working. I'm about to pull the alternator out and test it. Due to the battery constantly draining.

 

[heihenri]

I've got the same problem. I got an 05 and the turning signals, power windows, interior light, and speedometer light stopped working. I'm about to pull the alternator out and test it. Due to the battery constantly draining.

Hey, I got the same problem with my interior lights. Just replaced the BCM. All the lights that are working with dimmer does not work. Dimmer is okey, just tested that it is not getting power either.

Did you replace the alternator or did you get lights working somehow?

 

[Ja80]

Did anyone in here ever got a solution to fix these electrical issues in the Hyundai Tiburon? I have an 07 with no brake lights, no turn signal, no radio, no lights, no dashboard and no working windows or locks.

 

[Charlie-III]

Did anyone in here ever got a solution to fix these electrical issues in the Hyundai Tiburon? I have an 07 with no brake lights, no turn signal, no radio, no lights, no dashboard and no working windows or locks.

A lot of those are powered through the "dealer fuse" which is under a yellow cap on the BCM/interior fuse panel under the dash on the drivers side.
Another issue can be the main BCM power plug in the center of the BCM. It tends to get loose over time and overheats which melts the plastic. A similar issue just came up here in the last couple days, the fix is cheap and easy.

 

[Ja80]

A lot of those are powered through the "dealer fuse" which is under a yellow cap on the BCM/interior fuse panel under the dash on the drivers side.
Another issue can be the main BCM power plug in the center of the BCM. It tends to get loose over time and overheats which melts the plastic. A similar issue just came up here in the last couple days, the fix is cheap and easy.

The fuse in the yellow holder actually was blown i replaced it but didn't fix anything, also i went to yunk yard and bought another BCM replaced it and nothing, also checked all the plugs/conectors in back and front of the BCM and they seem to be in good condition

 

[peachferrari]

Did you check the fuse again afterwards? I'm wondering if you have a short somewhere that's causing it to immediately blow again.

 

[Ja80]

Yes i thought about it but the fuse is still good

 

[missledford209]

IAM having same problem . I can't find a straight answer. As of now my power windows are down , no tail lights no cluster lights no hazards turn signals not even the clicking noise the fuses are not burnt I don't know where to go from here have a 03 Tiburon GT 6 speed

 

[Charlie-III]

IAM having same problem . I can't find a straight answer. As of now my power windows are down , no tail lights no cluster lights no hazards turn signals not even the clicking noise the fuses are not burnt I don't know where to go from here have a 03 Tiburon GT 6 speed

Have you checked the "dealer fuse" as mentioned before?
How are you checking fuses, looking is not enough at times.

Also check the main power wire going into the BCM. It's a single wire, side facing driver, just below the fuses. It can overheat and melt the connector. It also reduces power to the BCM.

 

[missledford209]

I have the tester and yes I've checked the fuses and the wire that's below the fuses on the driver side they're all the way clicked in however not exactly sure how many wires are supposed to be going to that

 

[Charlie-III]

The red wire with the black sleeve that has yellow tape on it is the main BCM power feed. It appears fine, although you can a little discoloration due to heat. Not an issue until the plastic housing starts to melt.

And yes, multiple peeps with similar issue, and multiple ideas to,resolve it, but no wrap-up on what worked.

 

[missledford209]

Thank you for at least clarifying them the difference between the wires.It seems like a lot of people aren't active on here any more. ..
I want a diagram but having trouble finding free ones