https://community.nxp.com/t5/In-Vehicle-Networking/Functional-Failure-TJA1050T-CM-118/m-p/2074780#M18 <P>Hi Expert,</P><P>Good day.</P><P>Can you verify below functional test failure for this MPN :&nbsp;TJA1050T/CM,118.</P><P>During FCT Testing stage, we found functional failure with failure symptoms of COMMUNICATION FAIL in MPN#TJA1050T/CM 118.</P><P><BR />While checking the impedance value of the failed part, we found it to be 7.5K ohms, compared to the 1.2M ohms recorded for the working component.MPN-TJA1050T/CM,118.</P><P>Can you guide me what is the possible root cause for this.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 969px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331531i457E0B23C4502C57/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image1.png" style="width: 604px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331530iDE16775C1B578E2C/image-size/large?v=v2&amp;px=999" role="button" title="image1.png" alt="image1.png" /></span></P><P>Looking for your valuable support.&nbsp;</P><P>Thank You.</P><P>Ivan Paul</P> Mon, 07 Apr 2025 04:48:36 GMT Ivan12_source 2025-04-07T04:48:36Z https://community.nxp.com/t5/In-Vehicle-Networking/Functional-Failure-TJA1050T-CM-118/m-p/2074780#M18 <P>Hi Expert,</P><P>Good day.</P><P>Can you verify below functional test failure for this MPN :&nbsp;TJA1050T/CM,118.</P><P>During FCT Testing stage, we found functional failure with failure symptoms of COMMUNICATION FAIL in MPN#TJA1050T/CM 118.</P><P><BR />While checking the impedance value of the failed part, we found it to be 7.5K ohms, compared to the 1.2M ohms recorded for the working component.MPN-TJA1050T/CM,118.</P><P>Can you guide me what is the possible root cause for this.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image.png" style="width: 969px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331531i457E0B23C4502C57/image-size/large?v=v2&amp;px=999" role="button" title="image.png" alt="image.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="image1.png" style="width: 604px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/331530iDE16775C1B578E2C/image-size/large?v=v2&amp;px=999" role="button" title="image1.png" alt="image1.png" /></span></P><P>Looking for your valuable support.&nbsp;</P><P>Thank You.</P><P>Ivan Paul</P> Mon, 07 Apr 2025 04:48:36 GMT https://community.nxp.com/t5/In-Vehicle-Networking/Functional-Failure-TJA1050T-CM-118/m-p/2074780#M18 Ivan12_source 2025-04-07T04:48:36Z