https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2315005#M142 <P>Thanks.</P><P>Then, S32K144W can detects CAN BUS OFF?</P> Mon, 09 Feb 2026 23:14:04 GMT mumumilmil 2026-02-09T23:14:04Z https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2314329#M140 <P>Hi, I'm using TJA1442AT CAN IC to Automotive HS_CAN BUS.</P><P>If CAN High or CAN Low have OPEN, TJA1442 IC detects that OPEN?</P><P>- OPEN : Ex) Circuit short/open</P><P>Thanks.</P> Mon, 09 Feb 2026 05:00:52 GMT https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2314329#M140 mumumilmil 2026-02-09T05:00:52Z https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2314430#M141 <P>Hi,</P> <P>The TJA1442AT does not detect or report an “OPEN” (disconnected) CANH or CANL condition. It has no diagnostics for open-load conditions on the bus lines.</P> <P>BRs, Tomas</P> <P>&nbsp;</P> Mon, 09 Feb 2026 08:08:50 GMT https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2314430#M141 TomasVaverka 2026-02-09T08:08:50Z https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2315005#M142 <P>Thanks.</P><P>Then, S32K144W can detects CAN BUS OFF?</P> Mon, 09 Feb 2026 23:14:04 GMT https://community.nxp.com/t5/In-Vehicle-Networking/How-to-distinguish-CAN-L-CAN-H-OPEN-using-TJA1442AT/m-p/2315005#M142 mumumilmil 2026-02-09T23:14:04Z