<html><body><div><div>Using Leafspy I can see that it's using the following poll and response to get the SOH of the batteries<br></div><div><br></div><pre style="color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; overflow-wrap: break-word; white-space: pre-wrap;"><span class="size" style="font-size: 12px">1742706668.884315 1R11 79B 02 21 61 00 00 00 00 00
1742706668.892602 1R11 7BB 11 4b 61 61 1a cc 23 70</span><br></pre><div>However, when try to do the same poll with OVMS using the following code...<br></div><div><br></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px">static const OvmsPoller::poll_pid_t obdii_polls[] = </span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> {</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> // BUS 2</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { CHARGER_TXID, CHARGER_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, VIN_PID, { 0, 900, 0, 0 }, 2, ISOTP_STD }, // VIN [19]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { CHARGER_TXID, CHARGER_RXID, VEHICLE_POLL_TYPE_OBDIIEXTENDED, QC_COUNT_PID, { 0, 900, 0, 0 }, 2, ISOTP_STD }, // QC [2]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { CHARGER_TXID, CHARGER_RXID, VEHICLE_POLL_TYPE_OBDIIEXTENDED, L1L2_COUNT_PID, { 0, 900, 0, 0 }, 2, ISOTP_STD }, // L0/L1/L2 [2]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> // BUS 1</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x01, { 0, 60, 0, 60 }, 1, ISOTP_STD }, // bat [39/41]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x02, { 0, 60, 0, 60 }, 1, ISOTP_STD }, // battery voltages [196]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x06, { 0, 60, 0, 60 }, 1, ISOTP_STD }, // battery shunts [96]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x04, { 0, 300, 0, 300 }, 1, ISOTP_STD }, // battery temperatures [14]</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x61, { 0, 300, 0, 300 }, 1, ISOTP_STD }, // SOH for AZE1</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> POLL_LIST_END</span></span><span class="size" style="font-size: 12px"><br></span></div><div><span style="font-family: courier new,monospace, sans-serif;" class="font"><span class="size" style="font-size: 12px"> };</span></span><br></div><div><br></div><div>It results a CAN bus error<br></div><pre style="color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; overflow-wrap: break-word; white-space: pre-wrap;"><span class="size" style="font-size: 12px">2025-03-23 13:48:10.648 AEDT E (11528) esp32can: can1 stuck bus-off error state (errflags=0x00040cab) detected - resetting bus</span><span class="size" style="font-size: 12px"><br></span></pre><div>I'm new to this but from what I can work out what I am doing should work. Any suggestions?<br></div><div><br></div><div>Thanks<br></div><div>Wayne</div><div><br></div></div><div><br></div></body></html>