displaying posts 1 to 10 of 10

Author Subject: Soft Unlocking
rudolf

Seasoned Pro

Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

Status: Offline

Post #1
To use an alternative set of keys, do I just disconnect the battery while the ignition is on then reconnect and use the new keys?

________________________________________

S Reg Diablo standardsSpec SORNED
R Reg Nile standard spec written off then repaired
X Reg Astor in need of TLC
R Reg Nile to restore
Set of Lions to fit.
Posted 15th Jan 2016 at 01:01
bigbadbowen

Seasoned Pro

Location: Winchester

Registered: 21 Nov 2003

Posts: 13,753

Status: Offline

Post #2
No just take the chip out of the key and put it in the new key ?
Depends what you mean by use a different key ? Are you changing the ignition barrel ?
Posted 15th Jan 2016 at 07:43
rudolf

Seasoned Pro

Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

Status: Offline

Post #3
bigbadbowen wrote:
No just take the chip out of the key and put it in the new key ?
Depends what you mean by use a different key ? Are you changing the ignition barrel ?


Yes, I'm changing all the locks and ignition barrel.

Do I just turn the ignition on, remove the battery, remove the key, insert the new key, then reconnect the battery to code the ECU to the new key?

________________________________________

S Reg Diablo standardsSpec SORNED
R Reg Nile standard spec written off then repaired
X Reg Astor in need of TLC
R Reg Nile to restore
Set of Lions to fit.
Posted 15th Jan 2016 at 08:01
cully

Seasoned Pro

Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,093

Status: Offline

Post #4
you will not code the new key to the ecu without software/hardware to program it
Posted 15th Jan 2016 at 08:28
mocinim

Seasoned Pro

Location: The Darkside of bedford :)

Registered: 09 Jan 2015

Posts: 2,307

Status: Offline

Post #5
Cully ! Is this still the case with an unlocked ecu cheers Smile

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 15th Jan 2016 at 08:59
mocinim

Seasoned Pro

Location: The Darkside of bedford :)

Registered: 09 Jan 2015

Posts: 2,307

Status: Offline

Post #6
Cully ! Is this still the case with an unlocked ecu cheers Smile

________________________________________

BLACK RALLYE - phoenix
WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history
Posted 15th Jan 2016 at 08:59
pug_306

Seasoned Pro

Location: Great Hockham

Registered: 28 May 2013

Posts: 1,592

Status: Offline

Post #7
If its a properly unlocked ecu it will be plug and play. If its soft unlocked you need to unplug your transponder

________________________________________

1998 Supercharged White Rallye
1992 205 GTi6
205 Turbo 340bhp
Posted 15th Jan 2016 at 09:53
cully

Seasoned Pro

Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,093

Status: Offline

Post #8
mocinim wrote:
Cully ! Is this still the case with an unlocked ecu cheers Smile


if the ecu is unlocked why would you need to program a key?

if you are only changing the lock set only not the ecu
I would just change the new key blade into your old fob housing
Posted 15th Jan 2016 at 10:12
rudolf

Seasoned Pro

Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

Status: Offline

Post #9
I was under the impression that once the ECU was soft unlocked it would lock using the new chip in the key?

I only had one old key but have two new ones so thought this would be the easiest and cheapest way to do it.

________________________________________

S Reg Diablo standardsSpec SORNED
R Reg Nile standard spec written off then repaired
X Reg Astor in need of TLC
R Reg Nile to restore
Set of Lions to fit.
Posted 16th Jan 2016 at 02:50
cully

Seasoned Pro

Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,093

Status: Offline

Post #10
to soft unlock ecu
disconnet ecu with engine running then cut the transponder wires, the 3 wire numbers are 820,821,822
by cutting the wires the immo decoder cant send the lock unlock code to the ECU

this will bypass the immo chip so you have no ecu security there is a risk the ecu will re-lock on its own,
this wont help getting the second key working with the central locking that is a different issue

if you have i working key with working immo
just get the immo chip cloned at a good locksmiths and insert it into the 2nd key case
Posted 16th Jan 2016 at 09:34

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