Cadillac Repair: codes, volt ohm meter, cadillac deville


Question
i have a 95 cadillac deville. what is the meaning of the following codes and how can i fix them? I052 and T077

Answer
I052 means that battery voltage was lost to the computer. You most likely disconnected the battery.

T077 means that the PZM computer has lost it's communication link with the PCM computer.


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 necessary to fix your vehicle.