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

 
M 
RBD 
0B 
thru 
FA 
Reserved for vehicle manufacturer specific needs. 
This range of values is reserved for future needs of the vehicle manufacturer. Any 
use of this range for specific ECUs shall be agreed upon by the Design Release 
Engineer (DRE), representative(s) from GM Service, and representative(s) from 
manufacturing. Levels used in this range and their purpose shall be documented 
in a CTS.
 
U 
RFVM 
FB 
thru 
FE 
Reserved for ECU or system supplier manufacturing needs 
This range of values is reserved for ECU supplier needs. They can be used to 
support factory testing by the ECU supplier. Use of this feature shall be agreed 
upon by the supplier and the GM DRE. If this range is used by the supplier, the 
amount of ECU resources (ROM, RAM, Flash, etc) consumed to support factory 
testing shall be provided to the GM DRE.
 
U 
RFSS 
FF 
ReservedByDocument 
This value shall not be allowed. 
M 
RBD 
Where: 
M
3 
= This requestSeed and sendKey pair is required for all SPS programmable ECUs which provide emission, 
safety, or theft related functionality, or are otherwise required by law. 
C
= Conditional. This need for the use of this level for a given ECU is to be agreed upon by the DRE and 
Manufacturing Serial Data Design Engineer. 
CameraLoops.com

---

GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 128 of 336 
8.8.2.2 Request Message Data Parameter Definition (Table 102). 
Table 102: Request Message Data Parameter Definition 
Definition