Anyone have to deal with a GM PASSlock issue?

[GH85Carrera]

The ignition key for my 86 El Camino broke in half when I dropped my keys. The key and lock was so worn after 32 years of carrying it in my pocket that I just replaced the ignition lock and had it re-keyed to fit my door lock. The only down side is I can't lock my glove box, but in 33 years of driving it, I never locked the glove box anyway.

No fancy and expensive electronic key gadgets, and I have never had to replace a battery in my keys.

Good luck with figuring out a replacement.

[Baz]

Originally Posted by thingmon

Volvo seems to be doing fine…

Originally Posted by thingmon

Redundancy is good!

Dave.

Yep! I used the last one - the '69 - all the time for hauling bedding plants to job sites.

When I first got this one, I briefly looked into getting a trailer hitch for it. I think I will pursue this again. I have a very lightweight aluminum trailer that would be perfect for hauling stuff when I didn't want to use my truck.

Originally Posted by A930Rocket

I’m not sure which part It is, but it’s the one that tells the fuel pump to run, after the initial start…. ECU or ECM?

ECM - but it's not that simple. There are other components involved. Gonna try to get an exact diagnosis before I start replacing stuff and potentially getting nowhere.

Hopefully it'll be something simple.


The trailer:

[Baz]

Originally Posted by GH85Carrera

The ignition key for my 86 El Camino broke in half when I dropped my keys. The key and lock was so worn after 32 years of carrying it in my pocket that I just replaced the ignition lock and had it re-keyed to fit my door lock. The only down side is I can't lock my glove box, but in 33 years of driving it, I never locked the glove box anyway.

No fancy and expensive electronic key gadgets, and I have never had to replace a battery in my keys.

Good luck with figuring out a replacement.

Yeah - as near as I can tell the key for my truck doesn't need to be anything else except the right cuts. There's something else happening that's the problem, Glen. Thanks!

[GH85Carrera]

Originally Posted by Baz

Yeah - as near as I can tell the key for my truck doesn't need to be anything else except the right cuts. There's something else happening that's the problem, Glen. Thanks!

The Porsche dealer will sell a brand new key cut from the VIN and all one needs is a title to prove the car is yours. Have you tried the dealership?

[Baz]

Originally Posted by GH85Carrera

The Porsche dealer will sell a brand new key cut from the VIN and all one needs is a title to prove the car is yours. Have you tried the dealership?

I already have a key.

Just can't get the truck started.

[Baz]

Quick update.....visited my mechanic this morning and despite his efforts was able to confirm he's still not sure where the problem is. We even tried to get any codes but was unsuccessful with that.

I made the suggestion we replace the entire ignition assembly and then go from there, so I have one coming from Amazon and we'll try again next Monday.

I also ordered a new ignition wiring harness to go along with the assembly.

Will post again with any updates. Sooner or later I'm confident we'll figure it out.

My ignition lock has been acting a bit stubborn now for several years, so I feel that will be money well spent.

[Baz]

Quick update. After installing a new ignition assembly with new key and new wiring harness without any luck on the starting problem, my mechanic is now telling me it's the BCM (Body Control Module) so I ordered one on eBay today that will be programmed to my truck's VIN.

I truly hope this will do the trick!

You should see my dash......the whole thing has been taken apart!

[Baz]

The pre-programmed replacement BCM arrived today! Normally UPS is here early afternoon but today it was delayed to around 4:30, so was too late to test out by Ivan, but that will happen tomorrow morning. Fingers crossed!

(replacement unit on right)


I also ordered the trailer hitch for my Volvo and it's scheduled for delivery next Wed. I bought a "Curt Trailer Hitch Receiver - Custom Fit - Class II - 1-1/4" C12211" from etrailer.com. Cost was just under $200. I will still have to buy the draw bar, ball, and wiring kit and will pick those up locally.

I don't know if drilling will be required - will take a peek underneath this w/e.

Just another day in paradise.......

[Baz]

Here's what the trailer hitch looks like:

[Rot 911]

I can’t believe you’re no start. Issue has been going on for this long! I anxiously await the installation of the control module!

[Tishabet]

Originally Posted by Tishabet

My money is on the "TBC" fuse in your panel under the hood being blown.

Originally Posted by Baz

my mechanic is now telling me it's the BCM (Body Control Module)

"TBC" stands for "truck body computer" also known as the "body control module." Has your mechanic verified the fuse is not blown?

[Baz]

Originally Posted by Rot 911

I can’t believe you’re no start. Issue has been going on for this long! I anxiously await the installation of the control module!

Thanks, Kurt. Agree been going on too long! Frustrating.....

Originally Posted by Tishabet

"TBC" stands for "truck body computer" also known as the "body control module." Has your mechanic verified the fuse is not blown?

Hi Grant, Yes I checked it a while back and also asked Ivan and he replied he checked every fuse at least twice. I will check again myself.

Yesterday my mechanic Ivan said even with the replacement BCM the truck has the same problem.

Not sure where we go from here but the ball is in my mechanic's court so hopefully he can get it figured out soon.

[1990C4S]

Is this mechanic a friend of yours? I'd be out of patience given the time and the number of parts he's thrown at it.

If he's your buddy, I can understand, otherwise it's different.

[fastfredracing]

Its eating me alive, that I cant jump in and help . This stuff gets confusing for older guys who are not super techy (myself included ) .
I've been down this road a few times, and Im confideent I could sort this in a day or so .
Im next to positve, that after BCM replacement, there is still a relearn procedure for the key/ign lock cylinder/security system
From memory, it is something like turn the key on position 2, wait 30 minutes, rinse and repeat a few times.
I can look up the procedure if that helps ??
The fix is always the simple part, it is finding the problem where the difficulty lies.
Best of luck ! feel to pm with any ???

[Tishabet]

Originally Posted by Baz

Hi Grant, Yes I checked it a while back and also asked Ivan and he replied he checked every fuse at least twice. I will check again myself.

Darn, was hoping that as it... the fuse box under the hood over the driver side fender right? If you are going to check the TBC fuse again anyway I would recommend replacing the fuse with a brand new one and giving it a couple of official "cleaning off oxidation" up and down jiggles in the fuse box while you are at it, but if that doesn't do the trick I am out of suggestions. I hate problems like this... good luck Baz!

[Baz]

Thanks guys......I'll go see my mechanic tomorrow and get an update. Hopefully he has a plan to get it resolved.

At some point I'm not opposed to seeking help from a different shop, although I hope it doesn't come to that.

[Baz]

Truck issue resolved! I was the one who did the re-learn when it started today. We used the old BCM too. Ivan said the one I got from eBay wasn't working, so I sent a message to the seller asking for his take. But I'm not so sure that one wouldn't have also worked. I think the problem was something else. I asked Ivan and didn't quite understand his reply so will try to verify tomorrow when I pick the truck up.

Can't tell you how relieved I am!

[Rot 911]

Whoo hoo!

[Baz]

Originally Posted by Rot 911

Whoo hoo!

Yeah.......x a gazillion!

[Rot 911]

Now to get it all put back together without anything else going wrong! I’m keeping my fingers crossed!