2003 CADILLAC DEVILLE DTS : MY DRIVER DOOR CONTROLS STOPPED WORKING

  • Tiny
  • ANSINWA
  • 2003 Cadillac Deville
  • 46,500 miles

Got the back seat removed. Disconnected battery for about 10 hours.

Came back, reconnected. Now I have more CURRENT CODES than before.

DDM : B3832 - Window Position Sensor Circuit

DDM : U1000 - Class 2 Communication Malfunction

DIM : U1000 - Class 2 Communication Malfunction

IPC : U1000 - Class 2 Communication Malfunction

IPM : B0429 - Temperature Control #3 Rear Circuit Range/Performance

IRC : U1000 - Class 2 Communication Malfunction

LRD : U1000 - Class 2 Communication Malfunction

MSM : U1000 - Class 2 Communication Malfunction

PDM : B3832 - Window Position Sensor Circuit

PDM : U1000 - Class 2 Communication Malfunction

RIM : U1000 - Class 2 Communication Malfunction

RRD : U1000 - Class 2 Communication Malfunction

TTM : U1000 - Class 2 Communication Malfunction


I also checked all fuses, found 1 burnt "front cigarette lighter" and replaced that.

Where do all of these Class 2 communication errors originate? Seems odd that they all are happening at once.

If I take it in somewhere, what will they be able to find that I cant via fault codes?

Also checked all fuses, found 1 burnt "front cigarette lighter" and replaced that. Where do all of these Class 2 communication errors originate? Seems odd that they all are happening at once. If I take it in somewhere, what will they be able to find that I cant via fault codes?Any ideas?

Monday, January 9th, 2012 AT 6:29 PM

4 Answers

  • Tiny
  • cadieman
  • Member

What stopped working

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Monday, January 9th, 2012 AT 8:08 PM
  • Tiny
  • ANSINWA
  • Member

All controls on the drivers door stopped working. Locks, windows, mirrors, heated seats. There is still some illumination under a few of the buttons.

All other "passenger front, driver rear, passenger rear" controls work.

The only other thing I can find not working is when locking the car with the keyfob, it always used to flash lights and honk the horn.

Now only the lights flash. No horn.

But the horn still works via the steering wheel.

ANSINWA

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Monday, January 9th, 2012 AT 8:23 PM
  • Tiny
  • cadieman
  • Member

Go to the maxi fuse panel with the key on and make sure all fuses and breakers have voltage on both sides if ok find the possitive juncition red box where the fuse links are and test for voltage on each one. Remove the switch plate by pryng it up from the rear and check for voltages to the switchs.

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Tuesday, January 10th, 2012 AT 1:07 AM
  • Tiny
  • Elamnt
  • Member

What was the result of what he said

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Monday, December 28th, 2015 AT 11:32 AM

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