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Hyundai TSB 21-50-003 Issued 23 July 2021 concerning 8 Speed automatics 2012-2015 Gens/Equus/Coupes

carguy75

Registered Member
2,530
1,301
113
Atlanta, Georgia
Genesis Model Year
2015
Genesis Model Type
2G Genesis Sedan (2015-2016)

princelybug

SUSTAINING MEMBER
567
186
43
SoCal
Genesis Model Year
2016
Genesis Model Type
Equus (2011-2016)
Looks like I escaped this one. They worked out most of the kinks for MY2016.
 

Roc

Been here awhile...
223
56
28
Md
Genesis Model Type
1G Genesis Sedan (2009-2014)
Can't find details of that one but found 2 related on NHTSA recall site. Not for the faint hearted. Here's one:
 

Attachments

  • Hyundai Gnesis TSB 2019.pdf
    1.2 MB · Views: 45

Roc

Been here awhile...
223
56
28
Md
Genesis Model Type
1G Genesis Sedan (2009-2014)
Here's another one. Shows details concerning solenoids.
 

Attachments

  • Hyundai Genesis TSB 2019.pdf
    964.3 KB · Views: 31

Roc

Been here awhile...
223
56
28
Md
Genesis Model Type
1G Genesis Sedan (2009-2014)
They maybe old, but was also asked about complexity. Those 2 TSBs show no easy backyard fix for anything related to the transmission solenoids, etc., as well as showing location of each of them. Don't know why the 23 July 2021 TSB is not recorded in Hyundai TSB listings or expanded, other than it's an official Hyundai document. It does address one specific complaint, however.
 

deepevil

New member
7
3
3
Genesis Model Type
1G Genesis Sedan (2009-2014)
They maybe old, but was also asked about complexity. Those 2 TSBs show no easy backyard fix for anything related to the transmission solenoids, etc., as well as showing location of each of them. Don't know why the 23 July 2021 TSB is not recorded in Hyundai TSB listings or expanded, other than it's an official Hyundai document. It does address one specific complaint, however.
The main problem that not only those two solenoids is the problem, cause all of them working incorrect since the problem was discovered. Thats why im trying to find new information.
 

deepevil

New member
7
3
3
Genesis Model Type
1G Genesis Sedan (2009-2014)
Hi Guys, seems only i'm interested to solve this problem, last (by the date) TSB looks like is this one: # 21-AT-018H

To be sure, for those who understand the problem - not only those two solenoids is the problem and near those two, you should replace all of them, look at this video (its in russian but you dont need to understand what he speak), the idea that he shows that another solenoids are opened incorectly.

Video:
 

Attachments

  • MC-10204249-0001.pdf
    1 MB · Views: 13

Robert Loge

New member
1
0
1
Genesis Model Year
2013
Genesis Model Type
1G Genesis Sedan (2009-2014)
I hope there is someone out there who has some recent info on this issue. Like, are we on our own or is this covered. I have a 2013 3.8 Sedan. The original trans was replaced under warranty at about 45K miles. It now is doing the same harsh and delayed shifts again. Any info/intel would be appreciated. Thank you
 

deepevil

New member
7
3
3
Genesis Model Type
1G Genesis Sedan (2009-2014)
You can write some complaint to Home | NHTSA , and to explain, that replace of transmission doesnt solve the main problem.
Maybe in this case if they will receive some complaints, they will put pressure on the manufacturer.
This transmission is a copy of BMW ZF, but a different in the valve body (where installed solenoids). Honda has the same transmission with better valve body, but they dont have such troubles.
 
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