General Specification Electrical Function gmw3110 General Motors Local Area Network Enhanced Diagnostic Test Mode Specification

Table C15: Definition of Manufacturing Data dataIdentifier 
DID Description 
R/W 
Data Type 
Len 
$B2 
GM ManufacturingData (GMMD) 
R/W 
USN 
5 
This DID contains five bytes of ManufacturingData which is both written and read by tooling in the 
vehicle assembly plant during the production process. This area in product memory is used as a scratch 
pad for assembly tooling to pass test results back and forth from the various testers used in the vehicle 
assembly process. The ECU memory used for this DID shall be permanent memory (e.g., flash or 
EEPROM). 
Position 
1 
2 
3 
4 
5 
… 
… 
… 
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GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 302 of 336 
Table C16: Definition of Data Universal Numbering System Identification 
DID 
Description 
R/W 
Data Type 
Len 
$B3 
Data Universal Numbering System Identification (DUNS)
 
R 
ASCII 
9 
This DID contains the data necessary to meet the component traceability requirements as specified in 
GMW4710 and GMW15862. This DID contains the DUNS Id assigned to the component supplier
’s 
manufacturing site. 
Position 
1 
2 
3 
4 
5 
6 
7 
8 
9 
--- 
DUNS 
1 
2 
3 
4 
5 
6 
7 
8 
9 
--- 
Hex value 
31 
32 
33 
34 
35 36 37 38 39 
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