All UDS services

Read Data By Periodic Identifier

0x2A

The Read Data By Periodic Identifier service allows the client to schedule periodic transmission of data identified by one or more periodic identifiers. The server sends data at the requested rate until instructed to stop.

✕Negative response codes
0x130x220x310x33

Request

SID 0x2A · 2 bytes
Len (bits)
Parameter description
Value (hex)
8
Read Data By Periodic Identifier SID
0x2A
8
Starts periodic data transmission at a slow rate.
0x01
n*
8
periodicDataIdentifierSpecifies the identifier of the data to be periodically transmitted.
0x00-0xFF

n = Number of periodic data identifiers to schedule

Positive response

SID 0x6A
Len (bits)
Parameter description
Value (hex)
8
Read Data By Periodic Identifier SID
0x6A
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