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# J1939IsPDU2

[Valid for](../../../Shared/FeatureAvailability.md): CANoe DE • CANoe4SW DE

## Function Syntax

`dword J1939IsPDU2 (dword canId);`

## Description

Checks if the parameter group number (PGN) contained in the CAN ID has the [PDU Format 2](../../../CANoeCANalyzer/J1939/j1939basics/j1939PGandPGN.md).

## Parameters

* **canId**: CAN ID to check.

## Return Values

* **0**: PGN is PDU Format 1.
* **1**: PGN is PDU Format 2.

## Example

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[J1939IsPDU1](CAPLfunctionJ1939IsPDU1.md)
