Recall 18-137 Software update with A/C Control Unit

Gruber

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My car is is housed in a garage when home. I don’t experience a cold car in the morning, even on the coldest winter days.

I just pulled this quote from auto parts warehouse online regarding climate control units “One major symptom that your unit is failing is when it automatically shuts down and then restarts even without you controlling it. If you don't have an idea about the cause of your unit's problem, then it's best that you replace it immediately. A faulty climate control unit can greatly compromise your vehicle's performance if you don't fix it right away”

I don’t understand the relation between a component that regulate temps/air movement in the cabin, and fuel/moisture in engine oil? I would expect broke, defective or worn seals if oil is compromised with fuel/moisture? What does the CCU have to do with performance?
Jules..:rolleyes1:. multiple little tidbits in your posts here and in the other thread indicate BRD ( beyond reasonable doubt) that you have close to zero technical background, certainly none in automotive areas. There is nothing wrong with asking questions, that’s what forums are for, but there is a lot wrong with people being assertive and pontificating on issues they have no idea about, as you do. In fact, it’s a form of cheating.

The warehouse text you cite above is total BS, as it’s main goal is boosting sales. Internet is great as a source of supporting information, but only if you know anything at all on the topic. If you flash random internet quotes in front of people who know for a fact that you don’t know what you are talking about, you only make yourself look ridiculous.

Good to know your car is housed in a warm garage. That’s great for testing the AC operation.
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civicls

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My car is is housed in a garage when home. I don’t experience a cold car in the morning, even on the coldest winter days.

I just pulled this quote from auto parts warehouse online regarding climate control units “One major symptom that your unit is failing is when it automatically shuts down and then restarts even without you controlling it. If you don't have an idea about the cause of your unit's problem, then it's best that you replace it immediately. A faulty climate control unit can greatly compromise your vehicle's performance if you don't fix it right away”

I don’t understand the relation between a component that regulate temps/air movement in the cabin, and fuel/moisture in engine oil? I would expect broke, defective or worn seals if oil is compromised with fuel/moisture? What does the CCU have to do with performance?
Jules...jules, jules, jules. Your the biggest troll I've seen to date.

I wouldn't be surprised if you made an article online on why your local supermarket doesn't have self-checkout.
:banned:
 

verbalj

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Back on topic...

Got an inspection today and they told me that it had a recall/update available. I don't recall being contacted about it, but he said it was a software update. I said, sure, what the hell.

After getting it back, I immediately noticed that, while at a stop light, the idling was at around 900 rpm. It felt higher than normal. Usually around 800, right? While driving around, I also noticed that it was at or near 3000 rpm when it normally wasn't. I wasn't keeping track of my speed, I just know from the frequency of the roads I drive, that it was at or near 3000 when it normally wasn't.

Any cause for concern? Does it matter that I've got a hondata tune? It wasn't until I dropped it off did I realize I didn't return it back to stock.
 

elmer255

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Mine is back at the dealer to address the intermittent heat issue- I have a 2018 Accord Sport as my loaner car- I must say the 2.0 Turbo Vtec and the 10 speed tranny has serious balls !!!
 

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Back on topic...

Got an inspection today and they told me that it had a recall/update available. I don't recall being contacted about it, but he said it was a software update. I said, sure, what the hell.

After getting it back, I immediately noticed that, while at a stop light, the idling was at around 900 rpm. It felt higher than normal. Usually around 800, right? While driving around, I also noticed that it was at or near 3000 rpm when it normally wasn't. I wasn't keeping track of my speed, I just know from the frequency of the roads I drive, that it was at or near 3000 when it normally wasn't.

Any cause for concern? Does it matter that I've got a hondata tune? It wasn't until I dropped it off did I realize I didn't return it back to stock.
Well, what is the TUNE now ? Your Hondata Tune, or back to an updated OEM stock tune, as updated by the Dealer. ?
Maybe you got lucky, and the Tech didn't realize you had a non-standard tune (Hondata tune) installed, or maybe he was a decent guy and didn't make a big fuss about it , but just went along and did the update, knowing you could always flash it back to your Hondata tune when you got the car back.
 


dallasjhawk

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Back on topic...

Got an inspection today and they told me that it had a recall/update available. I don't recall being contacted about it, but he said it was a software update. I said, sure, what the hell.

After getting it back, I immediately noticed that, while at a stop light, the idling was at around 900 rpm. It felt higher than normal. Usually around 800, right? While driving around, I also noticed that it was at or near 3000 rpm when it normally wasn't. I wasn't keeping track of my speed, I just know from the frequency of the roads I drive, that it was at or near 3000 when it normally wasn't.

Any cause for concern? Does it matter that I've got a hondata tune? It wasn't until I dropped it off did I realize I didn't return it back to stock.
They flashed over your hondata tune and hondata does not have an updated tune out that takes into account the changes honda made. So if you have already reflashed your car, you lost all the changes honda made. https://www.hondata.com/forum/viewtopic.php?f=50&t=21939

Well, what is the TUNE now ? Your Hondata Tune, or back to an updated OEM stock tune, as updated by the Dealer. ?
Maybe you got lucky, and the Tech didn't realize you had a non-standard tune (Hondata tune) installed, or maybe he was a decent guy and didn't make a big fuss about it , but just went along and did the update, knowing you could always flash it back to your Hondata tune when you got the car back.
The dealer probably just flashed over the hondata tune without a care. So now he is stuck on the factory tune.
 

verbalj

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Well, what is the TUNE now ? Your Hondata Tune, or back to an updated OEM stock tune, as updated by the Dealer. ?
Maybe you got lucky, and the Tech didn't realize you had a non-standard tune (Hondata tune) installed, or maybe he was a decent guy and didn't make a big fuss about it , but just went along and did the update, knowing you could always flash it back to your Hondata tune when you got the car back.
They flashed over your hondata tune and hondata does not have an updated tune out that takes into account the changes honda made. So if you have already reflashed your car, you lost all the changes honda made. https://www.hondata.com/forum/viewtopic.php?f=50&t=21939

The dealer probably just flashed over the hondata tune without a care. So now he is stuck on the factory tune.
Good questions/points. I'll check tonight when i get back.
 

dallasjhawk

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Good questions/points. I'll check tonight when i get back.
if you got the the update, the dealer definitely flashed your car and you are driving on the stock tune unless you flashed after you got it back
 

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if you got the the update, the dealer definitely flashed your car and you are driving on the stock tune unless you flashed after you got it back
Out of interest ( I am not a Hondata tune user)

You can send a new tune to the car, but can you also read the current tune (say the Honda update) and save it back to your computer, as a tune you can send back ti the car at a later time ??.

Effectively, can you BACKUP your current tune, whatever it is ??
 

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Out of interest ( I am not a Hondata tune user)

You can send a new tune to the car, but can you also read the current tune (say the Honda update) and save it back to your computer, as a tune you can send back ti the car at a later time ??.

Effectively, can you BACKUP your current tune, whatever it is ??
no, you cannot save from the ecu back to a tuner. Its a one way street.
 


Gruber

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no, you cannot save from the ecu back to a tuner. Its a one way street.
That's what I understand. So your "factory tune" is what you received from Ktuner or Hondata server, not what was actually on your car's ECU.
Of course it is assumed that they have identical data based on the serial number of your ECU.
But you can't copy or backup the data from the car, for example after Honda did the "update."
 

dallasjhawk

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That's what I understand. So your "factory tune" is what you received from Ktuner or Hondata server, not what was actually on your car's ECU.
Of course it is assumed that they have identical data based on the serial number of your ECU.
But you can't copy or backup the data from the car, for example after Honda did the "update."
Yeah, thats probably why Ktuner was asking people who got the update to email them, to make sure they get all versions of the update covered so anyone who then flashes can go back to the stock updated calibration!
 

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Good morning folks. Just wanted to check with those that have this recall performed - does the dealer replace the physical a/c control unit under the head unit? I replaced mine with the Canadian civic part (to have a knob that controls fan speed) and would very much hope not to lose this.
 

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Good morning folks. Just wanted to check with those that have this recall performed - does the dealer replace the physical a/c control unit under the head unit? I replaced mine with the Canadian civic part (to have a knob that controls fan speed) and would very much hope not to lose this.
Not sure about the US, but in Canada they should replace the module under the glove box. It's a small square part that controls the AC unit. They shouldn't need to touch your dash or anything behind the head unit. If you google the part number you'll see how small it is. If you peek behind the glove box, it's the square box with the connector attached to the blower fan on the right side (from your perspective looking forward into the glove box).
 

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Your post has nothing to do with the recall tsb. This tsb was basically for the oil dilution problem. Not the ac condenser.

Seeing that you have a well documented history of ac issues. Your dealer and Honda should work with you.
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