new TSB for 15-16 I4 CVT Accords (and CR-Vs) - Drive Accord Honda Forums
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post #1 of 149 Old 08-04-2016, 07:17 AM Thread Starter
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new TSB for 15-16 I4 CVT Accords (and CR-Vs)

"Today, August 3, 2016, American Honda Motor, Co., Inc. is announcing a product update for model year 2015-16 Honda Accord and CR-V vehicles to address incorrect CVT operation and DTC P1890.

Basic Problem

An incorrect learning value in the PCM may cause a pressure problem in the CVT under certain driving conditions causing a surge in RPM because the CVT belt slips at highway speeds, and will eventually set DTC P1890 (CVT speed control system).

The Repair

Perform an inspection of the vehicle’s PGM-FI and check for DTC P1890. If the code is not set, please update the PGM-FI software. If the DTC P1890 is set, replace the transmission and update the PGM-FI software."

It might be early still, but my VIN did not reflect this update.

Attached Files
File Type: pdf TSB 16-053.pdf (222.0 KB, 4162 views)
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post #2 of 149 Old 08-04-2016, 07:59 AM
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Where did you check your vin?


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post #3 of 149 Old 08-04-2016, 08:08 AM
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Thanks for this now I will check the owners website and call Honda.


Update:
Called Honda and they said that my vin for the CRV comes up as an effected one. They said I can call the dealer and make an appointment. Glad I haven't touched the CVT fluid yet.

A CVT belt slipping at highway speeds sounds like a recipe for transmission wear. At least Honda is taking action. No more first year cars for me. Don't understand why the 13's and 14's are not included.
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post #4 of 149 Old 08-04-2016, 08:10 AM
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Appears if a certain code is set then trans replacement is the remedy. Sounds like a pretty big deal to get this taken care of asap. Our is still pretty low mileage (~6K miles), but i have noticed this behavior on the highway with steady throttle. Rpms will fluctuate back and forth. Also, I believe some have written about that here.

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post #5 of 149 Old 08-04-2016, 08:14 AM
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This is the link to check, but manufacturers always try to dodge any recall even though it is a known problem; they can categorize for excuses. TSB gives them a way to avoid the repair if they said 'it's normal', and as usual they always say it's normal. CVT Slipping is an existing problem on 2014 as well, but they didn't doing anything about it.

Recall Information for Safety & Defects | Honda Owners Site
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post #6 of 149 Old 08-04-2016, 08:19 AM
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If i'm not mistaken, performing a tsb is free of charge while the car is in warranty?
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post #7 of 149 Old 08-04-2016, 08:24 AM
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Originally Posted by GPz1100 View Post
If i'm not mistaken, performing a tsb is free of charge while the car is in warranty?
But if they told you it's normal, then they didn't have to do anything; and I don't know how they categorize if problem is within bumper to bumper warranty or powertrain warranty.
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post #8 of 149 Old 08-04-2016, 08:27 AM Thread Starter
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Quote:
Originally Posted by GPz1100 View Post
Where did you check your vin?
I'm an employee at a dealership, which is how I came across the TSB.

Quote:
Originally Posted by GPz1100 View Post
Appears if a certain code is set then trans replacement is the remedy. Sounds like a pretty big deal to get this taken care of asap. Our is still pretty low mileage (~6K miles), but i have noticed this behavior on the highway with steady throttle. Rpms will fluctuate back and forth. Also, I believe some have written about that here.
mine has just under 2000 miles and i do almost no highway driving. i am hoping a software update would be all i need.

(sorry, didn't realize both quotes were to the same person)

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Last edited by namegoeshere; 08-04-2016 at 01:22 PM. Reason: le merge
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post #9 of 149 Old 08-04-2016, 08:40 AM
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My VIN shows no open recalls so I guess I got lucky this time.

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post #10 of 149 Old 08-04-2016, 08:44 AM
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But if they told you it's normal, then they didn't have to do anything; and I don't know how they categorize if problem is within bumper to bumper warranty or powertrain warranty.
The dealership I called says mine requires the update. I started the conversation with the concern of fluctuating rpm at steady speed/throttle on the highway. Being in chicago it's mostly flatlands here so easy to see this.

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I'm an employee at a dealership, which is how I came across the TSB.
Thanks for sharing.

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Last edited by namegoeshere; 08-04-2016 at 01:23 PM. Reason: merge
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post #11 of 149 Old 08-04-2016, 08:50 AM
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My VIN shows no open recalls so I guess I got lucky this time.
It's not a recall it's a service bulletin you can call your dealership or Honda to see if your vin is in the range.
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post #12 of 149 Old 08-04-2016, 10:20 AM
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Originally Posted by 14v6 View Post
It's not a recall it's a service bulletin you can call your dealership or Honda to see if your vin is in the range.
Does anyone have the vin range that this is applicable for?
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post #13 of 149 Old 08-04-2016, 10:51 AM
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Does anyone have the vin range that this is applicable for?
Call your dealer or Honda 1-800-999-1009. Initially I went on the ownerlink website to check for recalls and nothing came up but when I called Honda they said that a letter was mailed yesterday, 8/3 so I could just call the dealer and make an appointment.
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post #14 of 149 Old 08-04-2016, 10:55 AM Thread Starter
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there isn't a posted range. you'll have to call your dealer with your VIN to have them check it. mine is a 16 and it's not showing up.

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post #15 of 149 Old 08-04-2016, 11:04 AM
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TSB's are not vin-specific unlike recalls. TSB's are merely guides that points to a very common issue. Your VIN , no matter what , will not show up on the inquiry since it's not a recall.


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