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P light blinks after solenoids replacement (AL4 gearbox)

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P light blinks after solenoids replacement (AL4 gearbox)

Postby GianniPie » Sun May 12, 2019 4:49 pm

Hi everyone!
I'm Gianni from Italy.
I have a 206cc with automatic gearbox with the well known problem of gearbox that stucks in 3rd gear and sport and snow blinking.
I replaced the 2 solenoids in the hydraulic block, I drained and replaced the oil (4.5 l) but now it's not working at all. The P light on dashboard blinks and i can't move the gear lever from P position. :o
If I manually free the lever, the LEDs don't follow the gear lever position.
Any idea?
Thanks in advance
GianniPie
 
Posts: 2
Joined: Sun May 12, 2019 4:28 pm

Re: P light blinks after solenoids replacement (AL4 gearbox

Postby IanL » Mon May 13, 2019 8:42 am

If the replaced solenoids are the high frequency type (2574.16), and the originals the low frequency type (2574.10), the transmission ECU needs a software update which is a dealer or transmission specialist procedure. That could be the problem.
IanL
 
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Joined: Wed May 13, 2015 10:34 pm
Location: Jersey, Channel Islands

Re: P light blinks after solenoids replacement (AL4 gearbox

Postby GianniPie » Tue Jun 04, 2019 11:11 pm

Thanks IanL for your answer.
Unfortunately I don't have any information about the code you are talking about.. the site where I bought them displays both numbers for the same item.

Anyway, I reverted the operation and now the car is working (bad) as before.
GianniPie
 
Posts: 2
Joined: Sun May 12, 2019 4:28 pm

Re: P light blinks after solenoids replacement (AL4 gearbox

Postby IanL » Wed Jun 05, 2019 8:13 am

As the reversion was successful, it is almost certain that you were sold the new high frequency solenoids. You would need to find a Peugeot dealer or an AT specialist who could apply the new software to the transmission ECU.
IanL
 
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Joined: Wed May 13, 2015 10:34 pm
Location: Jersey, Channel Islands


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