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Tom
Tom, ASE Certified Technician
Category: Saab
Satisfied Customers: 25950
Experience:  ASE Certified Master Technician
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Saab 93: aero..driving home..steering lock malfunction followed..whats

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hi my saab 93 aero has just developed a fault i was driving home from work and on the display window came up steering lock malfunction followed by emobilzer malfunction and then all the instruments and lights failed but the engine still ran ok i got it home and it seems ok now whats going on please
regards XXXXX XXXXX saab owner
Here's the issue with your car.The problem you describe is indicative of a faulty ISM (Ignition Switch Module).This is the module you insert the ignition transponder ("key") into on the console to start the vehicle.It is in actuality a control module that serves several functions: It senses the key transponder signal and allows the vehicle to crank and start providing the signal is correct , It unlocks the steering column lock during startup and driving (your error code) and it supplies keyed and accessory voltage feed to dash,instrumentation and interior components;as well as all other ECM and vehicle power signals.When these fail(quite frequently I might add)you get the steering column failure message as well as dash illumination and instrument failure.This is very common and needs to befuddled next . Hoped this helped. Positive feedback and bonuses Greatly appreciated.
Customer: replied 6 years ago.
what does befuddled mean how do i fix the problem ?
Ok this means you will need to replace the Ignition switch control module to fix the issue . Eventually it will fail .
Customer: replied 6 years ago.
ok are they exspensive and is it a big job ?
Would run about 250 parts and labor at the dealer.
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