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

Table 134: RequestDownload Response Messages 
Data Byte Parameter Name 
Cvt 
Hex Value Mnemonic 
#1 
RequestDownload Response Service Id 
M 
74 
SIDPR 
8.12.3.1 Positive Response Message Data Parameter Definition. 
There are no data parameters in a 
response to a request for this service. 
8.12.4 Supported Negative Response Codes (RC_). 
The following negative response codes shall be 
implemented for this service. The circumstances under which each response code would occur are 
documented in Table 135. 
--``,,``````,``,,``,,,`,`,`,,-`-`,,`,,`,`,,`---
CameraLoops.com

---

GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 158 of 336 
Table 135: Supported Negative Response Codes 
Hex 
Description 
Cvt 
Mnemonic 
12 
SubFunctionNotSupported-InvalidFormat 

Used if the number of data bytes in the request message is incorrect. 

Used if the requested dataFormatIdentifier value is not supported by the 
node. 

Used if the unCompressedMemorySize is invalid for the dataFormatIdentifier 
requested. 
M 
SFNS-IF 
22 
ConditionsNotCorrectOrRequestSequenceError

This return code shall be sent if the DisableNormalCommunication ($28) 
service is not active when a request is received for this service. 

This return code shall be sent if programming mode has not been activated 
via the ProgrammingMode ($A5) service when a request is received for this 
service. 

This return code shall be sent if the ECU is secure (for ECUs that support 
the SecurityAccess ($27) service) when a request for this service has been 
received. 

This return code shall be sent if an ECU receives a request for this service 
while in the process of receiving a download of a software or calibration 
module. This could occur if there is a data size mismatch between the ECU 
and the tester during the download of a module. 
M 
CNCRSE 
78