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Alarm immobilizer activated

Tiny
SIMON P
  • MEMBER
  • 2003 FORD TRANSIT
  • 1.7L
  • 2WD
  • MANUAL
  • 130,000 MILES
Unplugged alarm immobilizer by mistake re-plugged in but now van won't restart and dash lights won't come on apart from faint airbag light when key turned on. Red light flashing fast then goes to 2 flash and repeats?
Saturday, December 7th, 2019 AT 10:09 AM

8 Replies

Tiny
AL514
  • MECHANIC
  • 4,793 POSTS
Hello, it sounds like you need to reset the alarm system. here are instructions on how to do so:

https://www.2carpros.com/articles/how-to-reset-a-security-system
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Saturday, December 7th, 2019 AT 12:54 PM
Tiny
SIMON P
  • MEMBER
  • 5 POSTS
Morning, I've tried the keys in the ignition for 10 minute cycle and the disconnected negative lead on battery neither worked. Light does stop flashing when in ignition as suggested, but no luck starting. Any other suggestions?
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Sunday, December 8th, 2019 AT 2:15 AM
Tiny
SIMON P
  • MEMBER
  • 5 POSTS
Trying key cycle again rapid flashing from the red light for 30, 40 seconds the slower double flash for same time then nothing?
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Sunday, December 8th, 2019 AT 2:21 AM
Tiny
AL514
  • MECHANIC
  • 4,793 POSTS
Unfortunately you may have to take it to a shop. The newer scan tools can reprogram the immobilizer unit to the ECM. Sounds like the memory was lost. If you've tried all the steps we have, it's going to have to be reprogrammed.
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Sunday, December 8th, 2019 AT 8:20 AM
Tiny
SIMON P
  • MEMBER
  • 5 POSTS
Oh thanks, for your help, I take it a normal garage will be able to reset it rather than a specialist?
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Sunday, December 8th, 2019 AT 9:25 AM
Tiny
AL514
  • MECHANIC
  • 4,793 POSTS
Most shops these days have scan tools that can reprogram many things. So just find a decent shop and explain what's been going on.
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Sunday, December 8th, 2019 AT 10:26 AM
Tiny
SIMON P
  • MEMBER
  • 5 POSTS
Okay, once again thanks.
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Sunday, December 8th, 2019 AT 12:00 PM
Tiny
AL514
  • MECHANIC
  • 4,793 POSTS
You are welcome.
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Sunday, December 8th, 2019 AT 12:54 PM

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