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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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immobiliser see manualViews : 747 Replies : 7Users Viewing This Thread : |
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Jun 12th, 2021, 21:14 | #1 |
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immobiliser see manual
Hi,
Looking for help with the following on a 2007 V50 D5 with the ‘immobiliser see manual’ message. Steps taken so far —- CEM removed, all fuses continuity checked, connections/relays cleaned with contact cleaner Battery removed and charged Battery earth and connections cleaned up Under bonnet fuses - all continuity checked and relays cleaned with contact cleaner Locked / unlocked 5 times then ignition 1-3 5 times, attempting to start on the 6th —— Still no luck starting. I am planning to clean up the starter earth strap too (any tips on where it is, struggling to see from the top, probably better underneath. Anything else I can try before I see about getting it recovered to Volvo for a VIDA ECM/immobiliser resync ? Thanks
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2007 XC70 SE Lux D5 https://www.volvoforums.org.uk/showthread.php?t=305815 Previous: 2006 XC90 D5 , 2008 V50 2.0D |
Jun 20th, 2021, 15:02 | #2 |
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Codes read on VIDA, results below;
BCM-0100 Communication between control units Communicational problems with ECM CCM-0040 Air quality sensor Internal Fault CEM-4F33 Battery Temperature Faulty Signal CEM-6C30 Siren Internal Fault CEM-DE11 Communication with ECM control module Signal missing EPS-0082 Engine status Faulty signal Any help deciphering these would be appreciated.
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2007 XC70 SE Lux D5 https://www.volvoforums.org.uk/showthread.php?t=305815 Previous: 2006 XC90 D5 , 2008 V50 2.0D |
Jun 20th, 2021, 16:44 | #3 |
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Hi
Just looking at the codes, Could the alarm error be causing the immobiliser issue? Also if you have Vida it can guide you through the faultfinding of each error. Iain
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V50 2005. 2.0D |
Jun 21st, 2021, 12:28 | #4 | |
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Quote:
It has been suggested the ECM is dead, how can i confirm this? Obviously a replacement could be fitted , but whats involved? I guess its needs recoding? Could it be the SCU (ignition switch - given the errors above)?
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2007 XC70 SE Lux D5 https://www.volvoforums.org.uk/showthread.php?t=305815 Previous: 2006 XC90 D5 , 2008 V50 2.0D |
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Jun 21st, 2021, 15:55 | #5 | |
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hi
Quote:
I did get the car going by thumping the dash whilst I turned the key. I did change the switch the next day and had no problems since. I believe an alarm unit is not coded. Iain
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V50 2005. 2.0D |
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Jun 22nd, 2021, 13:54 | #6 |
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I have been through further diagnostics in VIDA and 'CEM-DE11 Communication with ECM control module Signal missing' seems the key error which is pointing to the ECU being the issue...investigations continue..
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2007 XC70 SE Lux D5 https://www.volvoforums.org.uk/showthread.php?t=305815 Previous: 2006 XC90 D5 , 2008 V50 2.0D |
Jun 22nd, 2021, 13:54 | #7 |
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Thanks Ian that helps, given that i am not seeing a similar error message
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2007 XC70 SE Lux D5 https://www.volvoforums.org.uk/showthread.php?t=305815 Previous: 2006 XC90 D5 , 2008 V50 2.0D |
Jul 5th, 2021, 20:54 | #8 |
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I have managed to crank the engine by bridging the starter relay, the battery quickly ran out of puff so it’s currently on an overnight charge in the hope that it may start in the morning.
If not I have an auto electrician who I will call into action. Anything else I can try ? I am struggling to understand the wiring diagram to see where the positive to ECM is, no luck so far.
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2007 XC70 SE Lux D5 https://www.volvoforums.org.uk/showthread.php?t=305815 Previous: 2006 XC90 D5 , 2008 V50 2.0D |
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