Body Control Module issues?

[Ultimate Home Theatres]

G'day all.

This is my first post, so apologies if my question has been asked already.

I'm currently driving the boss's VZ - S Ute whilst he's overseas, and am experiencing some issues with the indicators.

This afternoon I'd noticed that the indicators both externally and upon the dash do not work at all. In fact the left and right turn signals don't actually have any typical clicking sounds coming from the flasher relay (BCM?).

When I select the hazards, the hazard relay can be heard, however none of the indicators operate either.

The indicators still don't flash when I lock/unlock the vehicle via the key fob, however what may be the hazard relay still makes an audible noise as expected.

Can the problems I'm experiencing by related to the Body Control Module? I'm hoping to find a solution asap to reduce the risk of driving without indicators.

Thanks in advance.

Steve.

[maginoodle]

you would be thinking of the flasher can.
when you say that you can hear it when you have the hazards on is it clicking on and of like the blinkers are working or is it clicking on and staying on?

[Ultimate Home Theatres]

Hi maginoodle, thanks for the reply.

The clicking on/off of the flasher can sounds normal (like when the blinkers are working properly) when the hazard button is depressed only (no sound at all when using the indicator stalk) , yet no indicators (blinkers) actually work.

I sniffed around under the dash to isolate the location of the flasher can whilst the hazard button was on, only to discover that the clicking sound comes from within a Body Control Module.

I was hoping to find traditional flasher cans in the hope if simply replacing one, however it appears to be more complicated than first thought.

[Ultimate Home Theatres]

Update.

It seems that the brake lights aren't working either!

The headlights are working fine, as is the high beam functions.

Any ideas gents?

All roads seem to be pointing to the Body Control Module.

What's the next step? Will a replacement unit sort things out? Should a new BCM be purchased with a matching key fob? By the looks of it the key itself can be screwed into a replacement fob.

Would this be the best approach to take?

Cheers.

Steve.

[Ultimate Home Theatres]

Brake lights are actually working OK, so it looks like my only issues are with the indicators.

Any further advice from anyone out there?

[lil_mickey]

Checked the fuses?

[accentstencil]

I'm not entirely certain but I don't think the BCM controls the indicators or any of the lights.

[gunsmoke]

Hey all new member here........as above VZ commo, lock the doors with the keys and the LH indicators stay on when the car is deadlocked. I think its a common prob with this model. Wispers are its the BCM as above , needs replacing and keys re coded. Any one had this prob and solved it. thanks.

[Ultimate Home Theatres]

G'day gunsmoke just received your p.m.

As it turned out there was actually a short within the right rear indicator assembly that caused all of the grief, so as it turned out it wasn't the BCM after all!

My boss took it to his local Holden Service for them to analyze. I don't think it set him back too much either.

Unfortunately my experience probably won't help with the problems that you're having with your indicator.

[Doctor Bob]

Hey all new member here........as above VZ commo, lock the doors with the keys and the LH indicators stay on when the car is deadlocked. I think its a common prob with this model. Wispers are its the BCM as above , needs replacing and keys re coded. Any one had this prob and solved it. thanks.

this is a known failure of the BCM, it can be repaired which would work out cheaper than replacing it & remotes & havng it all linked by a dealer.
Cheers Rob

[tezza31]

Hey all new member here........as above VZ commo, lock the doors with the keys and the LH indicators stay on when the car is deadlocked. I think its a common prob with this model. Wispers are its the BCM as above , needs replacing and keys re coded. Any one had this prob and solved it. thanks.

I am having exactly that problem and boy am I pissed. my car is supposed to be under a 175 k warranty and they have told me the bcm is not covered and it will cost me $550.
I didnt even know what a bloody bcm was, why the hell wouldnt it be covered?

[gunsmoke]

Thanks all for the info. Dr Bob can you put me in touch with a repairer you speak of. BUT I am in WA, anyone here?
We re pissed off at the BCM problem too! This should be a claimable item from GHM, its clearly a Holden failure.
Thanks again.
PS where is the BCM on a 04 VZ.

[383VXSS]

My BCM died last year i sent it to Specialised auto electrics all fixed $190 frieghtinc.
I live in country WA and had it back in a week.I recomended them in another post too cause he was great to deal with.Phone number 0423399286 Parramatta NSW
You can get one cheaper from wreckers but the local autosparky here told me it was a common fault and 2nd hand one could do same thing,told me 2 have it fixed to b sure.Hope it helps.

[gunsmoke]

My BCM died last year i sent it to Specialised auto electrics all fixed $190 frieghtinc.
I live in country WA and had it back in a week.I recomended them in another post too cause he was great to deal with.Phone number 0423399286 Parramatta NSW
You can get one cheaper from wreckers but the local autosparky here told me it was a common fault and 2nd hand one could do same thing,told me 2 have it fixed to b sure.Hope it helps.

Thanks for the reply. A contact that works for GMH can do it for $500 incl new keys, but i think its a but much, maybe still thinking of going to GMH direct $550-$600??
I will call Specialised Auto Elects too, thanks again.

[gunsmoke]

the above mob say they havent done one before, im lost..........

[bcw61]

Hey all new member here........as above VZ commo, lock the doors with the keys and the LH indicators stay on when the car is deadlocked. I think its a common prob with this model. Wispers are its the BCM as above , needs replacing and keys re coded. Any one had this prob and solved it. thanks.

this is a known failure of the BCM, it can be repaired which would work out cheaper than replacing it & remotes & havng it all linked by a dealer.
Cheers Rob

I am having exactly that problem and boy am I pissed. my car is supposed to be under a 175 k warranty and they have told me the bcm is not covered and it will cost me $550.
I didnt even know what a bloody bcm was, why the hell wouldnt it be covered?

FYI, I have sourced the relay inside the BCM, that is usually responsible for the indicators sticking on when the vehicle is locked. Have already supplied some relays to various folk, and it has fixed the problem in their vehicles. PM me for details.

[Brett_jjj]

I read somewhere the other day,maybe it was on here somewhere,that you can take the BCM apart,unsolder the faulty blinker relay from the BCM board,and solder in a replacement relay.This has gotta be a better option than buying new a BCM and new key fobs.
EDIT:I found the PDF with the instructions on how to do this, but its too big to upload,so I posted a few pics from it which shows which relay inside the BCM stuffs up.This guys problem was his blinkers were sticking on when the car was locked or something along those lines.

[VXWAGMAN]

If anyone is in Melbourne and having issues with BCM with the indicator light sticking on a VZ, Conact user 'pezouni' who is a gun at fixing these issues. Thankd for taking a look at my car and fixing the issue for me in less than an hour.