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Old Jul 24, 2008 | 05:17 PM
  #1  
Mr.Bill's Avatar
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From: Reno is so close to Hell you can see Sparks , State Of Confusion
St. Jude Donor '12-'13-'14
Default Need code help.

I got a code today, It was an H code and I deleted it and all is fine, My question is what the heck is U1160 - Loss of Communications with DDM. What is DDM?
Thanks.
Bill
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Old Jul 24, 2008 | 05:39 PM
  #2  
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I think maybe you are missing a letter

More likely LDCM = Left Door Control Module.

Not uncommon - if is shows an "H" and no "C" your fine.
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Old Jul 24, 2008 | 05:54 PM
  #3  
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From: This is not a Song, It's an Outburst: Or, The Establishment Blues; Sixto Diaz Rodriguez
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Originally Posted by diyguy
I think maybe you are missing a letter

More likely LDCM = Left Door Control Module.

Not uncommon - if is shows an "H" and no "C" your fine.
Good call....

http://www.stengel.net/diccodes.htm

U1160 Loss of Communications with LDCM
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Old Jul 24, 2008 | 06:28 PM
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Originally Posted by Bill K
I got a code today, It was an H code and I deleted it and all is fine, My question is what the heck is U1160 - Loss of Communications with DDM. What is DDM?
Thanks.
Bill
DDM = Driver Door Module. For earlier model year C5s and Diagnostic Trouble Codes (DTCs), it was referred to as the LDCM or left door control module.

DTCs U1001-U1254 are lost communication error messages. The C5 modules are connected via a class 2 serial data circuit. Each module on the class 2 serial data circuit which is powered and performing functions that require a detection of a communications malfunction is required to send a Node Alive message every 2 seconds. When no message is detected from a module in 5 seconds a DTC will be set. The last 3 numbers in the DTC is the ID number of the module that is not communicating. (e.g., U1160H - In this case 160 is the module ID for the DDM.)

HTH

Last edited by GrayC5; Jul 24, 2008 at 06:34 PM.
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Old Jul 24, 2008 | 06:30 PM
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From: Reno is so close to Hell you can see Sparks , State Of Confusion
St. Jude Donor '12-'13-'14
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Thanks for the help guys.
Bill
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