https://community.nxp.com/t5/S32K/Bus-Fault-A-precise-synchronous-data-access-error-has-occurred/m-p/2058243#M46602 <DIV><DIV><P><SPAN>* Project : RTD AUTOSAR 4.4</SPAN></P><P><SPAN>* Platform : CORTEXM</SPAN></P><P><SPAN>* Peripheral : C40_IP IPV_QSPI</SPAN></P><P><SPAN>* Dependencies : none</SPAN></P><P><SPAN>*</SPAN></P><P><SPAN>* </SPAN><SPAN>Autosar</SPAN><SPAN> Version : 4.4.0</SPAN></P><P><SPAN>* </SPAN><SPAN>Autosar</SPAN><SPAN> Revision : ASR_REL_4_4_REV_0000</SPAN></P><P><SPAN>* </SPAN><SPAN>Autosar</SPAN><SPAN> Conf.Variant :</SPAN></P><P><SPAN>* SW Version : 2.0.1</SPAN></P><P><SPAN>* Build Version : S32K3_RTD_2_0_1_D2207_ASR_REL_4_4_REV_0000_20220707</SPAN></P></DIV></DIV><P>&nbsp;</P><P>&nbsp;</P><P><SPAN>What could be the reason of Bus Fault: A precise (synchronous) data access error has occurred.?&nbsp;</SPAN></P><P><SPAN>To recover the ECU , we need to do the erase the ECU and flash the hex again.</SPAN></P><P><SPAN>How to solve this issue?</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ShrikantM_0-1741470939065.png" style="width: 607px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/327248iB1555D65EAC62ACD/image-dimensions/607x322?v=v2" width="607" height="322" role="button" title="ShrikantM_0-1741470939065.png" alt="ShrikantM_0-1741470939065.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 08 Mar 2025 22:04:50 GMT ShrikantM 2025-03-08T22:04:50Z https://community.nxp.com/t5/S32K/Bus-Fault-A-precise-synchronous-data-access-error-has-occurred/m-p/2058243#M46602 <DIV><DIV><P><SPAN>* Project : RTD AUTOSAR 4.4</SPAN></P><P><SPAN>* Platform : CORTEXM</SPAN></P><P><SPAN>* Peripheral : C40_IP IPV_QSPI</SPAN></P><P><SPAN>* Dependencies : none</SPAN></P><P><SPAN>*</SPAN></P><P><SPAN>* </SPAN><SPAN>Autosar</SPAN><SPAN> Version : 4.4.0</SPAN></P><P><SPAN>* </SPAN><SPAN>Autosar</SPAN><SPAN> Revision : ASR_REL_4_4_REV_0000</SPAN></P><P><SPAN>* </SPAN><SPAN>Autosar</SPAN><SPAN> Conf.Variant :</SPAN></P><P><SPAN>* SW Version : 2.0.1</SPAN></P><P><SPAN>* Build Version : S32K3_RTD_2_0_1_D2207_ASR_REL_4_4_REV_0000_20220707</SPAN></P></DIV></DIV><P>&nbsp;</P><P>&nbsp;</P><P><SPAN>What could be the reason of Bus Fault: A precise (synchronous) data access error has occurred.?&nbsp;</SPAN></P><P><SPAN>To recover the ECU , we need to do the erase the ECU and flash the hex again.</SPAN></P><P><SPAN>How to solve this issue?</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ShrikantM_0-1741470939065.png" style="width: 607px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/327248iB1555D65EAC62ACD/image-dimensions/607x322?v=v2" width="607" height="322" role="button" title="ShrikantM_0-1741470939065.png" alt="ShrikantM_0-1741470939065.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 08 Mar 2025 22:04:50 GMT https://community.nxp.com/t5/S32K/Bus-Fault-A-precise-synchronous-data-access-error-has-occurred/m-p/2058243#M46602 ShrikantM 2025-03-08T22:04:50Z https://community.nxp.com/t5/S32K/Bus-Fault-A-precise-synchronous-data-access-error-has-occurred/m-p/2058420#M46608 <P>Hi@<SPAN>ShrikantM</SPAN></P> <P>Please try to read the MCRS register to check which problem could be.</P> <LI-SPOILER><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture.JPG" style="width: 999px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/327293iB3B1AEEFCFC5BD22/image-size/large?v=v2&amp;px=999" role="button" title="Capture.JPG" alt="Capture.JPG" /></span></LI-SPOILER> <P>&nbsp;</P> Mon, 10 Mar 2025 03:21:27 GMT https://community.nxp.com/t5/S32K/Bus-Fault-A-precise-synchronous-data-access-error-has-occurred/m-p/2058420#M46608 Senlent 2025-03-10T03:21:27Z