diff --git a/sys/dev/cxgbe/adapter.h b/sys/dev/cxgbe/adapter.h
index ddfcedaedb06..d18acbd83588 100644
--- a/sys/dev/cxgbe/adapter.h
+++ b/sys/dev/cxgbe/adapter.h
@@ -917,6 +917,7 @@ struct adapter {
 	int last_op_flags;
 
 	int swintr;
+	int sensor_resets;
 
 	struct callout ktls_tick;
 };
diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c
index a8093d6e05d3..7f39d58e9c0b 100644
--- a/sys/dev/cxgbe/t4_main.c
+++ b/sys/dev/cxgbe/t4_main.c
@@ -682,6 +682,7 @@ static int sysctl_autoneg(SYSCTL_HANDLER_ARGS);
 static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS);
 static int sysctl_temperature(SYSCTL_HANDLER_ARGS);
 static int sysctl_vdd(SYSCTL_HANDLER_ARGS);
+static int sysctl_reset_sensor(SYSCTL_HANDLER_ARGS);
 static int sysctl_loadavg(SYSCTL_HANDLER_ARGS);
 static int sysctl_cctrl(SYSCTL_HANDLER_ARGS);
 static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS);
@@ -6264,6 +6265,9 @@ t4_sysctls(struct adapter *sc)
 	SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature", CTLTYPE_INT |
 	    CTLFLAG_RD, sc, 0, sysctl_temperature, "I",
 	    "chip temperature (in Celsius)");
+	SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "reset_sensor", CTLTYPE_INT |
+	    CTLFLAG_RW, sc, 0, sysctl_reset_sensor, "I",
+	    "reset the chip's temperature sensor.");
 
 	SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "loadavg", CTLTYPE_STRING |
 	    CTLFLAG_RD, sc, 0, sysctl_loadavg, "A",
@@ -7454,6 +7458,36 @@ sysctl_vdd(SYSCTL_HANDLER_ARGS)
 	return (sysctl_handle_int(oidp, &sc->params.core_vdd, 0, req));
 }
 
+static int
+sysctl_reset_sensor(SYSCTL_HANDLER_ARGS)
+{
+	struct adapter *sc = arg1;
+	int rc, v;
+	uint32_t param, val;
+
+	v = sc->sensor_resets;
+	rc = sysctl_handle_int(oidp, &v, 0, req);
+	if (rc != 0 || req->newptr == NULL || v <= 0)
+		return (rc);
+
+	if (sc->params.fw_vers < FW_VERSION32(1, 24, 7, 0) ||
+	    chip_id(sc) < CHELSIO_T5)
+		return (ENOTSUP);
+
+	rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4srst");
+	if (rc)
+		return (rc);
+	param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
+	    V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
+	    V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_RESET_TMP_SENSOR));
+	val = 1;
+	rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
+	end_synchronized_op(sc, 0);
+	if (rc == 0)
+		sc->sensor_resets++;
+	return (rc);
+}
+
 static int
 sysctl_loadavg(SYSCTL_HANDLER_ARGS)
 {