All UDS services

Clear Diagnostic Information

0x14

The Clear Diagnostic Information service used by the client to clear Diagnostic Trouble Codes (DTCs) and all related diagnostic data stored in the server. This service has no sub-function parameter, so the suppressPosRspMsgIndicationBit is not available.

✕Negative response codes
0x130x220x310x72

Request

SID 0x14 · 4 bytes
Len (bits)
Parameter description
Value (hex)
8
Clear Diagnostic Information SID
0x14
24
groupOfDTCDefines the group of Diagnostic Trouble Codes that shall be cleared by the server. A 3-byte value identifying the DTC group (diagnostic domain) or all DTCs.
8
MemorySelectionSelects a specific DTC memory from which diagnostic information shall be cleared. Optional parameter introduced in ISO 14229-1:2020.Optional
0x00-0xFF

Positive response

SID 0x54
Len (bits)
Parameter description
Value (hex)
8
Clear Diagnostic Information SID
0x54
PREVIOUSECU Reset0x11NEXT Read DTC Information0x19