The radio on my van was just replaced because my Blindspot detection wasn’t working. It’s now telling me that it is disabled. Does anyone know how to enable it?
Blind spot is disabled on 2021
Gina Galiano
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Hi,
We've sent you a private message so that we can see how we can assist you!
Callie
Ram Cares
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Mine have also been an issue since day one. It used to happen very seldomly, like once veery couple months. Now it's almost every drive. One dealership treated me like I was making the issue up and didn't even care to look at the screen showing the blind spot not being selectable. They said I would just have to leave it for a "few weeks" so they could find some time to look into it. I also had 2 dealerships in the last 2 weeks tell me that they have never heard of this issue, no record of it happening to other Promasters has been passed on to dealers. I don't appreciate a manufacturer who doesn't stand by their products.
For anyone having difficulty replicating the issue for your dealer because it does not leave a fault code; Turn on your lights, could even just be the driving lights if so equipped. When the fault occurs, it will remain until lights or engine are turned off.
When the fault is active it will act as if there is an invisible trailer attached thus shutting down the BSM.
My dealer has ordered a replacement light module and is scheduled to install next Tuesday (8/23). I will keep you posted.
When the fault is active it will act as if there is an invisible trailer attached thus shutting down the BSM.
My dealer has ordered a replacement light module and is scheduled to install next Tuesday (8/23). I will keep you posted.
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My rig is in the shop now. They fixed the recall on the seatbelt last week but were unable to recreate the blind spot issue. Ten minutes after picking it up blind spot system shut down again. I took it right back and the tech plugged in a reader and it gave a strange brake light on high message.
Got a call earlier today that the blind spot system was enabled and they gave it a two minute test drive...
I live out of town I requested they take it for a longer drive.
The darn thing beeping at me for the 26th time in a row is a distraction. I can live without the blind spot alert but but as it is paid for it ought to work, no?
It kinda sucks to join a forum on a sour note and I apologize.
Got a call earlier today that the blind spot system was enabled and they gave it a two minute test drive...
I live out of town I requested they take it for a longer drive.
The darn thing beeping at me for the 26th time in a row is a distraction. I can live without the blind spot alert but but as it is paid for it ought to work, no?
It kinda sucks to join a forum on a sour note and I apologize.
keeping fingers crossed...There is another thread on this subject so I'm responding twice.
The problem the techs have had is the fault doesn't throw a code, it simulates a trailer being plugged in momentarily. The BSM needs to be turned back on manually each time after towing. That is how it is designed so there is no reason to record "the incident".
Thus far, the closest thing to Ram acknowledging the situation is the mechanic's private forum where frustrated techs talk to each other. I mentioned earlier the best way to demonstrate the active problem is to drive with your lights turned ON while driving. When the fault triggers, drive right to the dealer. The fault will remain active until the engine or lights are turned OFF and they will be able to "see" the invisible trailer on their scan tool. Hopefully when enough of us have demonstrated the problem, it will become a tsb.
At the recommendation of the mechanic's forum, my dealer replaced the lighting control module #6837983AA and the BSM has not shut itself off since...
The problem the techs have had is the fault doesn't throw a code, it simulates a trailer being plugged in momentarily. The BSM needs to be turned back on manually each time after towing. That is how it is designed so there is no reason to record "the incident".
Thus far, the closest thing to Ram acknowledging the situation is the mechanic's private forum where frustrated techs talk to each other. I mentioned earlier the best way to demonstrate the active problem is to drive with your lights turned ON while driving. When the fault triggers, drive right to the dealer. The fault will remain active until the engine or lights are turned OFF and they will be able to "see" the invisible trailer on their scan tool. Hopefully when enough of us have demonstrated the problem, it will become a tsb.
At the recommendation of the mechanic's forum, my dealer replaced the lighting control module #6837983AA and the BSM has not shut itself off since...
That's good to hear. My van is a year old now and I just stopped trying the BSM until a proper fix is found. Hasn't worked since day 1 and RAM will not do anything unless I bring my van (RV) to a dealer. Since both dealers in my area are horrible, I'd rather wait until I have a real warranty repair issue before having to go to a dealer (hopefully never). The part you mention is $100 - I may just buy it and see for myself if that helps.
It has been two weeks since the lighting module was replaced and the BSM has not shut down. With daily temperatures in the 90's the van would never have gone this long without throwing the fault before.
I am calling this resolved. The difference is so substantial that if it were to reoccur, I would place blame on a defective replacement part.
I am calling this resolved. The difference is so substantial that if it were to reoccur, I would place blame on a defective replacement part.
Thanks! I ordered the part and will see how it works for me. I dislike my local dealer so I was hoping someone would eventually post a fix that worked. Apparently this part had prior issues in older Promasters as well as it was recalled due to brake lights malfunctioning when a trailer was attached. Hopefully it works as well for me!!
2021 Ram Promaster 2500 2500 CARGO VAN HIGH ROOF 136" WB
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211 Posts
If you replace the lighting module (aka trailer tow module) yourself Ram will decline any further warranty coverage of this issue. They replaced our module, pronounced it tested and fixed, and the BSW failed before we got off the block the dealer is on.
To me, it seems obvious. The company that made the trailer tow module has a quality control issue so there are many bad ones. Many vehicles were made with bad ones. When the dealer ordered new ones to replace the bad ones, many of the replacements were bad, so the problem remained. Ram needs to develop a method to bench test these lighting modules before accepting them from the company and way before they come anywhere near actual vehicles. Will this cost money? Yes. But that's what happens when you let quality control slip all the way down to the customer level.
metalmagpie
To me, it seems obvious. The company that made the trailer tow module has a quality control issue so there are many bad ones. Many vehicles were made with bad ones. When the dealer ordered new ones to replace the bad ones, many of the replacements were bad, so the problem remained. Ram needs to develop a method to bench test these lighting modules before accepting them from the company and way before they come anywhere near actual vehicles. Will this cost money? Yes. But that's what happens when you let quality control slip all the way down to the customer level.
metalmagpie
I can always keep the old one and if the new one fails, I can reinstall before I return to dealer. Not sure how they would know I swapped it anyway unless it has a separate serial number.
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So sorry to hear this! Could you send us your VIN so we can look into this further?
Kaitlin
Ram Cares
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@RamCares Hi Hannah, I clicked on Ram Cares and do not see a way to 'start a conversation' or send a private message. We have a 2021 Zion Slumber Ram 3500 with a horrible, constantly resetting Blind Spot Monitoring problem. I wanted to send you or VIN and see whether you found a solution yet.
Replaced the lighting control module noted above and it appears to be working. I often travel with bikes in a rack and trailer lights attached to the rack, so it BSM stays off when the rack is on but has otherwise been working perfectly for around a month. Fingers crossed it is fixed. 10 minute swap for the module.
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Glad to see I am not the only one with the blind spot issue, and also have no idea where the “start conversation “ button is located. Come on Ram Cares, help us all out.
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I am happy to start a conversation, Pony Express message, or send smoke signals. I cannot find a “start conversation” button.
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Hey there,
We've reached out to you! We look forward to assisting you!
Callie
Ram Cares
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Very belated update: ok...so I have been working with RamCares on this issue on my Nova 20C. We were originally planning to have the trailer tow module replaced (i think), but this would have required removing a lot of the upfitting on the RV. I was working on what to do about that, when I reached out to Ram for an update.
Apparently, several people who have had the tow module replacement report they still have the problem, so it looks like that might not be the answer. Recommendation was to not get the upfitting removed, at least not yet. It may not end up being necessary.
At this time, this seems to be an issue mostly common to RVs, and less common with stock Promasters.
FCA/Stellantis engineers are apparently working on a solution. The suspicion at this time is perhaps it has something to do with voltage variations caused by the upfitting affecting the tow module and causing it to falsely trigger as having an attached Trailer and therefore turning off the BLIS.
I will check in again in a couple of weeks; will see if there is any progress at that time.
Apparently, several people who have had the tow module replacement report they still have the problem, so it looks like that might not be the answer. Recommendation was to not get the upfitting removed, at least not yet. It may not end up being necessary.
At this time, this seems to be an issue mostly common to RVs, and less common with stock Promasters.
FCA/Stellantis engineers are apparently working on a solution. The suspicion at this time is perhaps it has something to do with voltage variations caused by the upfitting affecting the tow module and causing it to falsely trigger as having an attached Trailer and therefore turning off the BLIS.
I will check in again in a couple of weeks; will see if there is any progress at that time.
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