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Cadillac Repair/Anti-lock brake light on after brake job.

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Expert: autohelp - 9/21/2008


Question
What are codes PO17,PO39,PO71,AO11 and TO33 on 1994 cadillac concours

Answer
PO17 =  Front heated oxygen sensor fault.

PO39 = $th clutch over drive fault in the transmission.

PO71 = intermittent MANIFOLD ABSOLUTE PRESSURE sensor fault (MAP).


AO11 = Air Conditioning HIGH SIDE pressure sensor fault.

TO33 = Right rear wheel speed sensor circuit fault.

If you are mechanicaly inclined or know of someone who is, You will need 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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Expertise

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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