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Table 51: Supported Negative Response Codes
Hex Description
Cvt Mnemonic
12
SubFunctionNotSupported-InvalidFormat
1. The length of the request message is invalid.
2. The ECU does not support the sub-function parameter value
M
SFNS-IF
22
ConditionsNotCorrectOrRequestSequenceError
1. This return code shall be sent if DeviceControl is active when a request for
this service is received with the sub-function parameter set to $03.
2. This return code shall be sent if a request for this service is received with the
sub-function parameter set to $03 and another diagnostic service has
already disabled DTCs (e.g., DisableNormalCommunication $28).
C RC_CNCRSE
78
RequestCorrectlyReceived-ResponsePending
This return code shall be sent if it will take more than P2C ms to process this
request (e.g., It might take longer than P2C ms for a gateway to initiate a wake-
up on all subnets that it is connected to.)
C
RCR-RP
8.2.5 Message Flow Example InitiateDiagnosticOperation Service.
8.2.5.1 InitiateDiagnosticOperation(disableAllDTCs). 
The example below (Table 52) shows how the
InitiateDiagnosticOperation(level = disableAllDTCs) service shall be implemented. The example assumes the
following information to be true:
•
The All-Node CAN Id is $101 and the All-Node functional system address is $FE.
•
The USDT response CAN Id of the ECUs are: $641 thru $645.

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