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

RequestCorrectlyReceived-ResponsePending 
Used when the node cannot immediately process the request. 
C 
RCR-RP 
99 
ReadyForDownload-DTCStored 
Used when the node is ready for download and checksum of flash or EEPROM 
has resulted in a DTC being set. 
U 
RFD-DS 
8.12.5 Message Flow Example. 
8.12.5.1 Request Download Positive Response Example (Table 136). 
In the following example, it is 
assumed: 

The node has security unlocked. 

Mode $28 is already active. 

Mode $A5 
“ProgrammingMode” is already active. 

The node targeted is programmable. 

The node targeted does not support encryption but does support a supplier specific compression 
technique (dataFormatIdentifier = $10). 

The node targeted uses a 3 byte uncompressedMemorySize parameter with a value of $01 $02 $03 
(equals 66051 decimal). 

The target node physical request CANId is $241. 

The target node physical response CANId is $641. 
--``,,``````,``,,``,,,`,`,`,,-`-`,,`,,`,`,,`---
CameraLoops.com

---

GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 159 of 336 
Table 136: RequestDownload - Positive Response 
T = Frame Sent By Tester, N = Frame Sent By Node; shaded region indicates PCI 
Frame Type 
CAN Id 
#1 
#2 
#3 
#4 
#5 
#6 
#7 
#8 
T(USDT-SF) 
$241 
$05 
$34 
$10 
$01 
$02 
$03 
--- 
--- 
N1(USDT-SF) 
$641 
$01 
$74 
--- 
--- 
--- 
--- 
--- 
---