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sprinkles08, ASE Certified Technician
Category: UK Car
Satisfied Customers: 23000
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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I put key in turn on ignition and an anti theft fault comes

Customer Question

Hi Pearl , I put key in turn on ignition and an anti theft fault comes up and engine won,t start
JA: Is the car in "Park" or "Neutral?" Do you know if your car has a "wheel lock" feature?
Customer: Cars in neutral,think it's got wheel lock but not locked
JA: What is the model/year of your Peugeot?
Customer: It's a 1.6 hdi 05 plate
JA: What year is your Peugeot?
Customer: 2005
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Don,t know if I can.i got key checked they said it was ok.i,be tried looking at fuses but can,t find any blown
JA: Anything else you think the mechanic should know?
Customer: Not really cars went into economy mode
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Peugeot Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: UK Car
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

THe problem may be immobilizer related but the immobilizer light may also be coming on because the immobilizer module isn't communicating with the engine controller, either due to it's failure or a loss of power or ground to it.

Will the ECM communicate with a scan tool?