U0184 Code
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Stellar HDF Member
Joined: Dec 2013
Posts: 2,197
Likes: 281
From: Long Island NY
Here's a little tid bit about the Can-bus systems, all the modules can stay active(Awake) and communicating with one another up to 1 hour after the bike or car/truck has been shut off (When I have to do a draw test I have to wait 30 minutes to 1 hour to let the modules go into sleep mode before testing can be done) any how with that being said, the radio could be shutting down quicker than the rest of the modules and the other modules (most likely the ECM) are trying to communicate with it, hence the U0184 code of Lost COMM.
I wouldn't worry or lose any sleep over it, I see LOST COMM codes in different modules everyday in the vehicles that I work on, the only time to worry about it is when the code simply will not clear, that's normally a clear indication of either a bad module, or a fault in the COMM line.
I wouldn't worry or lose any sleep over it, I see LOST COMM codes in different modules everyday in the vehicles that I work on, the only time to worry about it is when the code simply will not clear, that's normally a clear indication of either a bad module, or a fault in the COMM line.
Yes it does, if the module, Radio in this case is starting to fail it can intermittently glitch or not work at all for a period of time and then come back online and work fine for days/weeks/months, those are the hardest ones to narrow down in early stages of failure, voltage plays a KEY role in a Can-bus system, too high can cause problems, Low voltage causes major problems, anything below 11.5 volts and to put it mildly, these modules go stupid, any sudden spike low/high can cause LOSS COMM codes, low/high spikes also can take the module offline for a millisecond, and that's enough to cause the COMM codes to appear. If a module doesn't boot up (come online) in a pre-determined time can cause the COMM codes, there is literally many things that cause the LOSS COMM codes. Any module that has failed will shut the COMM line down to any module that is after it inline.
Grand HDF Member
Joined: Sep 2013
Posts: 3,820
Likes: 587
From: Michigan
I've seen that before. I think it tends to happen more when the radio is too busy to respond to the BCM within the allotted response time like NAV running/rerouting or upon initialization (radio boot up). My attitude was "don't worry about" & nothing ever failed because of the code.
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Stellar HDF Member
Joined: Dec 2013
Posts: 2,197
Likes: 281
From: Long Island NY
I've seen that before. I think it tends to happen more when the radio is too busy to respond to the BCM within the allotted response time like NAV running/rerouting or upon initialization (radio boot up). My attitude was "don't worry about" & nothing ever failed because of the code.
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