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

SPS_PrimeReq CANId:
This is a special case 
CANId that is used to receive diagnostic requests 
during SPS programming for SPS_TYPE_C ECUs. 
SPS_PrimeRsp CANId:
This is a special case 
CANId that is used to transmit diagnostic 
responses 
during 
SPS 
programming 
for 
SPS_TYPE_C ECUs. 
SPS_TYPE_A or SPS_TYPE_B or SPS_TYPE_C 
ECU:
These terms refer to ECUs which are 
programmable via the SPS. SPS programmable 
ECUs 
utilize 
the 
utility 
file 
concept 
for 
reprogramming. The differences between an 
SPS_TYPE_A, SPS_TYPE_B and SPS_TYPE_C 
ECU is what portion of the ECU is programmed, 
and whether or not the ECU is capable of using its 
permanent diagnostic CAN Identifiers during the 
programming event. Refer to paragraph 9.1 of this 
specification for further definition of these terms. 
SSTS: 
Subsystem Technical Specification 
Utility File:
This is a file that contains the 
programming instructions for an ECU which is 
capable of being programmed via SPS. 
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GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 290 of 336 
12.2 Acronyms, Abbreviations, and Symbols. 
ABS
Anti-Lock Brake System 
A/C
Air Conditioning 
ASCII
American 
Standard 
Code 
for 
Information Interchange 
BCD
Binary Coded Decimal 
BIN
Binary or bit encoded
 
bps
bits per second 
CANID 
CAN Identifier