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

GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 129 of 336 
Table 105: Supported Negative Response Codes 
Hex 
Description 
Cvt 
Mnemonic 
12 
SubFunctionNotSupported-InvalidFormat 

Send if the sub-function parameter in the request message is not supported
 

Send if the length of the request message is incorrect for the requested sub-
function.
 
M 
SFNS-IF 
22 
ConditionsNotCorrectOrRequestSequenceError 

Send if the 
“sendKey” sub-parameter is received without first receiving a 
“requestSeed” request message. 

If the DeviceControl Restrictions of this service are supported, this code 
shall be returned if DeviceControl is already active and using the service 
device control restrictions at the time of the security request.
 
M 
CNCRSE 
35 
InvalidKey 
Send if the value of key is not valid for the node.
 
M 
IK 
36 
ExceededNumberOfAttempts 
Send if too many attempts with invalid values are requested.
 
M 
ENOA 
37 
RequiredTimeDelayNotExpired 
Send if the delay timer is active and a request is transmitted.
 
M 
RTDNE 
78 
RequestCorrectlyReceived-ResponsePending 
Send if it will take more than P2 ms to process the request.
 
C 
RCR-RP 
8.8.5 Message Flow Example SecurityAccess. 
8.8.5.1 SecurityAccess (requestSeed). 
In the following example (Table 106), it is assumed:
 

The node is programmable (supports mode $27). 

$aabb is a valid seed value for the target node. 

The node has a USDT physical request CANId of $241. 

The node has a USDT physical response CANId of $641.