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sprinkles08, ASE Certified Technician
Category: Hyundai
Satisfied Customers: 22660
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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My son is stranded road side. s 2012 sonata died and wont

Customer Question

My son is stranded road side. his 2012 sonata died and wont start the immobilizer light came on.
JA: Thanks. Can you give me any more details about your issue?
Customer: thats all i know at this point.. the manual says something about inserting the key into the ignition but his car is a push button start
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Submitted: 1 year ago.
Category: Hyundai
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

If the engine died while driving and the immobilizer light stays on solid then the engine controller is almost surely not awake. It could be an internal failure or loss of power or ground.

The first thing that should be done is check fuses.

If fuses are good the next steps will be to check for communication with the ECM or at least see if the fuel pump runs. If the ECM isn't awake then it won't be controlling the fuel pump.

Outside of being able to replace a fuse and get it started again, which wouldn't be an actual repair, this is going to require some electrical testing. Is it something you're looking to repair yourself?