 | Home > Puma (Tdci) > immobiliser problem |
 
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63  
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Have you tried Emergancy Key Access ?
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18th Jun 2024 7:43am |
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| laundry_man Member Since: 02 Feb 2011 Location: Lancashire Posts: 22 
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Yes I have the EKA code, and tried that, but didn't appear to do anything to help. No horn beeps when using the code which suggested to me it was working.
Thanks Derek.............> |
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18th Jun 2024 8:01am |
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63
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did you resync the fobs after changing the battery?
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18th Jun 2024 8:10am |
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63
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try this - disconnect the battery leaving the ignition at point II (on) give it ten to twenty mins, reconnect the battery (making sure the ignition is on) and you should be able to start it.
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18th Jun 2024 8:12am |
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63
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If you didnt resync the fobs before immobilizer went of ~5 mins from turning it off then you neeed to use the EKA to get it started and then resync the fobs within 5 mins.
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18th Jun 2024 8:15am |
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| laundry_man Member Since: 02 Feb 2011 Location: Lancashire Posts: 22
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Hello, yes I did resync the fobs after changing the battery and they both lock and unlock the vehicle as they did before. I will try your suggestion of disconnecting the 12 volt battery.
Thanks Derek............>> |
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18th Jun 2024 8:29am |
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| laundry_man Member Since: 02 Feb 2011 Location: Lancashire Posts: 22
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I tried as you suggested and disconnected the 12 volt battery with the ignition switched on, and then waited before reconnecting it with the key in the ignition and switched on. To make the red immobiliser light go out I had to resync the fob and open and unlock the vehicle, then i tried to start it, but still nothing.
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18th Jun 2024 10:07am |
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63
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Just checking only 1 set of keys in the car at a time?
If both fobs are present it can freak out. |
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18th Jun 2024 10:20am |
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63
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maybe worth checking the AS10 unit for corrosion - if not only other thing i can think of thats quick easy is to check the relays.
Maybe your rolling codes have gone out too far so may need to recode via a nanocom to resync AS10 and ECU. if you cant get it going via EKA or resyncing. |
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18th Jun 2024 11:06am |
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| laundry_man Member Since: 02 Feb 2011 Location: Lancashire Posts: 22
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I have just removed the 10AS (not easy to get to the screws), no sign of any corrosion. I am not sure I can split the box to have a look at the circuit board, it doesn't look easy.
I am now thinking about spending some money on a Nanocom Lite or similar. I assume these come from Cyprus looking at the Web Site, or do they have a place in England? I tend to agree that the 10AS is not sending the start message to the ECU. Does the coil which fits around the ignition switch ever give problems, is there any checks I could do on that to make sure its working? Thanks Derek.........>> |
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18th Jun 2024 1:04pm |
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| shaynecm Member Since: 10 May 2024 Location: Norwich Posts: 63
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the ignition switch can cause issues. sounds more like the codes have gone to far out of sync as this all started from key fob battery change.
if you can resync ecu and AS10 should start, but maybe worth retrying EKA as that should get it going. |
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18th Jun 2024 1:16pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2401  
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You can also get a GAP diagnostic tool in the UK. However I am not sure about its capability to deal with the 10AS. Puma 110" SW
............................................................. Earth first. Other planets later |
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18th Jun 2024 1:17pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1970
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Double check that all your 10AS fuses are ok.
I’m assuming the vehicle started fine until you changed fob battery. Any member close by with a Nanocom with a Puma licence can run an EMS resync between the 10AS and engine ECU , they can code keys as well. Worth seeing if any member nearby can assist. It could be the transducer coil, however that would be a coincidence if it went faulty at the same time you changed the fob battery. Equally it could be the known instrument cluster issue, however that would also be a coincidence if it went faulty when fob battery changed. Last edited by Ianh on 18th Jun 2024 6:58pm. Edited 1 time in total |
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18th Jun 2024 4:39pm |
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| laundry_man Member Since: 02 Feb 2011 Location: Lancashire Posts: 22
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Hello Ianh
Thanks for your reply. I have checked the fuses and they are ok. Yes no problems starting the engine, up to the time I changed the battery. I have taken out the instrument cluster and tried a link across the connector as recommended. I have decided to spend some money and purchase a Nanocom, but I assume it will take a week or two to arrive, so yes if there is anyone near me in the Wigan area with a Nanocom who could help in resetting the 10AS that would be helpful. Thanks Derek.............> |
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18th Jun 2024 6:24pm |
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