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Old Jun 1st, 2019, 21:25   #1
pierremcalpine
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Last Online: Jan 3rd, 2024 14:43
Join Date: Feb 2012
Location: Toronto Canada
Default Occasional flashing Immobilizer Light

Alright, I’m getting very annoyed at my V40. I’m regularly getting a flashing immobilizer light when attempting to start the car. When this happens engine will not turn over. Eventually if I turn ignition on and off enough times it will start but it’s only a matter of time before I get stranded somewhere.

Has this happened to any of you?

So far I have:
1- cleaned contacts on ECM and immobilizer midlife
2- replaced immobilizer module with a used on from wreckyard
3 - unplugged replugged all ecm connectors to make sure all snapped back in.

Any suggestions?
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2003 V40 1.9T B4204T4, 197,000miles (sold but alive!), 2004 S60 2.5T, 160,000miles, 2010 V70 3.2, 125,000miles, 2002 V70XC 2.4, 175,000miles

Click here for my x40 and V70 P3 repair guides
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