1998caddydeville Posted November 11, 2011 Report Share Posted November 11, 2011 hello, i have a 1998 cadillac deville. and i removed the stereo which was a factory cassette and installed a pioneer cd player. and after i found out that the steering wheel controls and the door chime would not work with the pioneer i removed the cd player and reinstalled the factory cassette... and now my steering wheel controls will not work. neither heat/air controls nor the stereo controls.. what have i done.??? i cut no wires just unplugged and plugged back up... can anyone help me please.???? Link to comment Share on other sites More sharing options...
winterset Posted November 11, 2011 Report Share Posted November 11, 2011 Probably your cars PZM (Platform Zone Module) needs a hard reboot. Disconnect the ground from the battery under the hood, (might be a good time to clean your terminals), ensure power is disconnected for over 10 seconds, then reattach. this fixes most radio related / steering wheel control issues. Link to comment Share on other sites More sharing options...
1998caddydeville Posted November 11, 2011 Author Report Share Posted November 11, 2011 Awesome... thanks for the INFO will do that early AM... Link to comment Share on other sites More sharing options...
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