Страница 1 мировой engineering стандарты общая спецификация

Page 129
GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
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.

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•
The node has a USDT physical response CANId of $641.