ansinwa Posted December 22, 2011 Report Share Posted December 22, 2011 Just 3 days ago all the controls on my driver door stopped working completely. The buttons are still illuminated, and the key fob makes the door lock lock/unlock, but none of the door controls work. I tried all other doors, and they all work fine. I am not a big "troubleshooter" or have much know how regarding fixing cars. And I know that the dealership will charge me over a $100 just to diagnose, let alone repair. Any help would be greatly appreciated. I know there are many people here who are car geniuses, and I thank anyone for thier time in advance. I ran the fault codes and am posting the results below "both current and history : Antilock Brake System : - C1287 - Steering Sensor Rate Malfunction (H) Door Driver Module : - U1000 - Class 2 Communication Malfunction © - U1713 - Loss of Front Door Module to Window Motor High Speed Comm. (H) - U1164 - Loss Of DIM Serial Data Communication (H) Dash Integration Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Instrument Panel Cluster : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Instrument Panel Module : - B0429 - Temperature Control #3 Rear Circuit Range/Performance © - B1004 - Keep Alive Memory (KAM) (H) - B2641 - Delayed Exterior Lighting Ctrl Circuit Range (H) Integrated Radio Module : - U1000 - Class 2 Communication Malfunction © - B2463 - Navigation CD Player - No Disk (H) Left Rear Door Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Memory Seat Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Passenger Door Module : - B1586 - Mirror Horiz. Pos Sensor-Out of Range/Open (H) - B1591 - Mirror Vert. Pos Sensor-Out of Range/Open (H) Powertrain Control Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Rear Integration Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Right Rear Door Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Tilt / Telescoping Module : - U1000 - Class 2 Communication Malfunction © - U1164 - Loss Of DIM Serial Data Communication (H) Vehicle Theft Deterrant : - B3055 - Key Not Present (H) It seems that everything that is Current is a U1000 Class 2 Communication Malfunction. Except for the Temperature Control #3 Rear Circuit Range/Performance Thanks to anyone who can take a look.. ANSINWA Link to comment Share on other sites More sharing options...
rockfangd Posted December 23, 2011 Report Share Posted December 23, 2011 excellent post. Thats a heck of alot of codes. I would start with doing a hard reset by dsconnecting the battery for about 30 minutes and check and see if it works again. Then we can proceed. It seems alot of the codes are communication related. Also note there is a module for each door and apparently the left front door is not workking GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
ansinwa Posted December 23, 2011 Author Report Share Posted December 23, 2011 Thanks rockfangd. I will try disconnecting the battery. I understand it is under my back seat. Is it hard to remove the seat? Also I have noticed 1 other issue since the last post. Since I have had the vehicle, when locking it via the key fob at exit, it always flashed the lights and honked the horn. No when I lock via the key fob on exit, it only flashes the flights. No more honk. I tested to see if the horn still worked at all via the steering wheel, and it does work fine. If I am understanding things correctly, disconnecting the battery will reset all the fault codes. And I should run the codes again after I have reconnected to see if there are any that comeback? Yeah all the current codes except for 1, are u1000 Class 2 Communication Malfunction. The 1 other current code is B0429 - Temperature Control #3 Rear Circuit Range/Performance. I will post again after I have had the chance to disconnect the battery and see how it goes. Thanks Again. Aaron Link to comment Share on other sites More sharing options...
rockfangd Posted December 27, 2011 Report Share Posted December 27, 2011 Someone should chime on seat removal. should be cake though. Might be in your owners manual. Yeah disconnecting the battery resets the systems and codes. then you also know what codes are new. GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
ansinwa Posted January 8, 2012 Author Report Share Posted January 8, 2012 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? Thanks, ANSINWA Link to comment Share on other sites More sharing options...
ansinwa Posted January 8, 2012 Author Report Share Posted January 8, 2012 Also, manually deleted all codes. But every one of the above came back. ANSINWA Link to comment Share on other sites More sharing options...
Texas Jim Posted January 9, 2012 Report Share Posted January 9, 2012 There is either something unplugged or a wire is broken for you to get that many communication codes. I would start by looking under the seats and under the dash and under the hood for a connector that has came unplugged. Link to comment Share on other sites More sharing options...
wtasch Posted March 3, 2012 Report Share Posted March 3, 2012 I have an extra front door module if you want to try it? email me at wtasch@aol.com Link to comment Share on other sites More sharing options...
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