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Cadillac Repair/99 Seville codes

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Question
My Seville recently started having a no start problem.  It will crank over but I noticed that the service airbag light comes on only when it won't start, which has been 3 times now intermittently.  When that light is on, the car will crank, but not start.  I did the diagnostics and these are the codes that came up:

P0461
P0741
U1016
U1255 - Current

The service engine soon light is also on.  Any thoughts on the airbag light connection to the no start problem?  Thank you...

Answer
air bag has no connection with no start condition.

If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, Simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.

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On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.

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Held over 15 GM certifications prior to retirement in 1989.

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Prior to retirement held several ASE certifications, numerous Factory certifications.

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