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AW5040 doesn't work after substitution
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lukalahara
New User
Mar 18, 2017, 2:10 PM
Post #1 of 8
(1997 views)
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AW5040 doesn't work after substitution
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Hi my friends! Im an automatic transmission specialist from Brazil, and I'm having several problems with a customer's car. I'm getting really desperate cause I never saw this kind of problem before.
The customer came to my workshop in his vectra B, 2005, 2.2. the automatic transmission was almost entirely broken, then I recommended the substitution for a new one. He bought a reconditioned one and I did the replacement.
The problem is: after installing it, the 1st, 2nd manual gears doesn't work, seems like the transmission was in protection mode, with very weak response to a high RPM. The tricky part is that Drive and reverse are ok, what doesn't occur in protection mode, changing all the gears normally. But after few minutes in drive, the automatic transmission's failure message becomes at the panels and the car enters in a real protection mode.
If someone knows something about it, please, help me! I don't know where to find answers to this problem in my country.
Thanks a lot!
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gsferraro
Veteran
Mar 18, 2017, 6:22 PM
Post #2 of 8
(1975 views)
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Re: AW5040 doesn't work after substitution
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Hello,
Does this feel like its starting out in 3rd gear? what happens when you pull it down to manual one? can you scan for codes and let me know what they are? Gary(greetings from new york)
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lukalahara
New User
Mar 18, 2017, 6:29 PM
Post #3 of 8
(1973 views)
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Re: AW5040 doesn't work after substitution
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Hi Gary!
When I pull it at the 1st manual gear I feel that it's starting at the 3rd gear! Perfect description! It seems that I'm driving at safe mode, but the position "D" is working normally, until the system breaks down, showing the error message at the panel. I tried to scan many times, but my equipment (opcom basic B) isn't retrieving any error codes.
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gsferraro
Veteran
Mar 19, 2017, 6:17 AM
Post #4 of 8
(1959 views)
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Re: AW5040 doesn't work after substitution
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OK, without codes its hard to get direction, Question, would you say that the trans works ok cold and when heats upoes into failsafe? Gary
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lukalahara
New User
Mar 19, 2017, 7:08 AM
Post #5 of 8
(1955 views)
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Re: AW5040 doesn't work after substitution
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Exactly! This happens in Drive position! The low gears doesn't works, otherwise, doesn't work, neither heat neither cold.
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gsferraro
Veteran
Mar 19, 2017, 4:03 PM
Post #6 of 8
(1937 views)
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Re: AW5040 doesn't work after substitution
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Ok, so its always in failsafe mode?
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lukalahara
New User
Mar 19, 2017, 4:07 PM
Post #7 of 8
(1933 views)
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Re: AW5040 doesn't work after substitution
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Not always, cause when it's in safe mode, "drive" stop changing gears too. In this car, low gears are just like in safe mode, but drive is working fine.
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gsferraro
Veteran
Mar 19, 2017, 5:31 PM
Post #8 of 8
(1923 views)
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Re: AW5040 doesn't work after substitution
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Strange about manual low and 2nd gear. One thought maybe to ohm the solenoids out and see if there all within range. Do you know anyone with a scanner that maybe can pull codes? Gary
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