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8.4.4 Supported Negative Response Codes (RC_). 
The following negative response codes (Table 72) shall
be implemented for this service.
Table 72: Supported Negative Response Codes
Hex Description
Cvt Mnemonic
12
SubFunctionNotSupported-InvalidFormat
This response code shall be sent if the request message does not have a DID
number after the Request Service Id, or if additional data bytes are included
beyond the DID byte.
M
SFNS-IF
22
ConditionsNotCorrectOrRequestSequenceError
This response code shall be sent if the operating conditions of the ECU are
such that it cannot perform the required action (e.g., the data for a DID is
stored in EEPROM and an EEPROM failure has occured). This response code
is not intended to be used if the ECU conditions are such that the request
temporarily cannot be performed (e.g., the data to be retrieved temporarily
cannot be read from EEPROM because another application task is currently
writing to EEPROM). Response code $78 is used when conditions are
temporarily not met. If this response code is supported by a node, the
reason(s) to generate this return code must be documented in the Component
Technical Specification (CTS).
C
CNC-RSE
31
RequestOutOfRange
•
This code shall be sent if the dataIdentifier value requested is not
supported by the device.
M
ROOR

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•
This code shall be sent if the dataIdentifier is secured and the ECU is not in
an unlocked state.
78