diff --git a/subsys/bluetooth/controller/ll_sw/pdu.h b/subsys/bluetooth/controller/ll_sw/pdu.h
index b7719056125..ccdf7f45693 100644
--- a/subsys/bluetooth/controller/ll_sw/pdu.h
+++ b/subsys/bluetooth/controller/ll_sw/pdu.h
@@ -76,21 +76,20 @@
 /* CRC polynomial */
 #define PDU_CRC_POLYNOMIAL     ((0x5bUL) | ((0x06UL) << 8) | ((0x00UL) << 16))
 
-/* Data channel minimum payload size and time */
-#define PDU_DC_PAYLOAD_SIZE_MIN 27
-#define PDU_DC_PAYLOAD_TIME_MIN 328
+/* Data channel minimum payload size and time in us */
+#define PDU_DC_PAYLOAD_SIZE_MIN       27
+#define PDU_DC_PAYLOAD_TIME_MIN       328
 #define PDU_DC_PAYLOAD_TIME_MIN_CODED 2704
 
-/* Data channel maximum payload size and time */
-#define PDU_DC_PAYLOAD_SIZE_MAX 251
+/* Data channel maximum payload size and time in us */
+#define PDU_DC_PAYLOAD_SIZE_MAX       251
+#define PDU_DC_PAYLOAD_TIME_MAX_CODED 17040
 
 #if defined(CONFIG_BT_CTLR_DF)
-#define PDU_DC_PAYLOAD_TIME_MAX 2128
-#else
-#define PDU_DC_PAYLOAD_TIME_MAX 2120
-#endif
-
-#define PDU_DC_PAYLOAD_TIME_MAX_CODED 17040
+#define PDU_DC_PAYLOAD_TIME_MAX       2128
+#else /* !CONFIG_BT_CTLR_DF */
+#define PDU_DC_PAYLOAD_TIME_MAX       2120
+#endif /* !CONFIG_BT_CTLR_DF */
 
 /* Link Layer header size of Data PDU. Assumes pdu_data is packed */
 #define PDU_DC_LL_HEADER_SIZE  (offsetof(struct pdu_data, lldata))
diff --git a/subsys/bluetooth/controller/ll_sw/ull_conn.c b/subsys/bluetooth/controller/ll_sw/ull_conn.c
index 1d24684911a..b093752e13c 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_conn.c
+++ b/subsys/bluetooth/controller/ll_sw/ull_conn.c
@@ -648,20 +648,11 @@ uint32_t ll_length_req_send(uint16_t handle, uint16_t tx_octets,
 {
 	struct ll_conn *conn;
 
-#if defined(CONFIG_BT_CTLR_PARAM_CHECK)
-#if defined(CONFIG_BT_CTLR_PHY_CODED)
-	uint16_t tx_time_max =
-			PDU_DC_MAX_US(LL_LENGTH_OCTETS_TX_MAX, PHY_CODED);
-#else /* !CONFIG_BT_CTLR_PHY_CODED */
-	uint16_t tx_time_max =
-			PDU_DC_MAX_US(LL_LENGTH_OCTETS_TX_MAX, PHY_1M);
-#endif /* !CONFIG_BT_CTLR_PHY_CODED */
-
-	if ((tx_octets > LL_LENGTH_OCTETS_TX_MAX) ||
-	    (tx_time > tx_time_max)) {
+	if (IS_ENABLED(CONFIG_BT_CTLR_PARAM_CHECK) &&
+	    ((tx_octets > LL_LENGTH_OCTETS_TX_MAX) ||
+	     (tx_time > PDU_DC_PAYLOAD_TIME_MAX_CODED))) {
 		return BT_HCI_ERR_INVALID_PARAM;
 	}
-#endif /* CONFIG_BT_CTLR_PARAM_CHECK */
 
 	conn = ll_connected_get(handle);
 	if (!conn) {
@@ -675,6 +666,20 @@ uint32_t ll_length_req_send(uint16_t handle, uint16_t tx_octets,
 		return BT_HCI_ERR_UNSUPP_REMOTE_FEATURE;
 	}
 
+#if defined(CONFIG_BT_CTLR_PHY)
+#if defined(CONFIG_BT_CTLR_PHY_CODED)
+	const uint16_t tx_time_max =
+		PDU_DC_MAX_US(LL_LENGTH_OCTETS_TX_MAX, PHY_CODED);
+#else /* !CONFIG_BT_CTLR_PHY_CODED */
+	const uint16_t tx_time_max =
+		PDU_DC_MAX_US(LL_LENGTH_OCTETS_TX_MAX, PHY_1M);
+#endif /* !CONFIG_BT_CTLR_PHY_CODED */
+
+	if (tx_time > tx_time_max) {
+		tx_time = tx_time_max;
+	}
+#endif /* CONFIG_BT_CTLR_PHY */
+
 	if (conn->llcp_length.req != conn->llcp_length.ack) {
 		switch (conn->llcp_length.state) {
 		case LLCP_LENGTH_STATE_RSP_ACK_WAIT:
diff --git a/tests/bluetooth/bsim_bt/edtt_ble_test_app/tests_scripts/ll.set1.llcp.test_list b/tests/bluetooth/bsim_bt/edtt_ble_test_app/tests_scripts/ll.set1.llcp.test_list
index 87e28adbca1..a645337f1be 100644
--- a/tests/bluetooth/bsim_bt/edtt_ble_test_app/tests_scripts/ll.set1.llcp.test_list
+++ b/tests/bluetooth/bsim_bt/edtt_ble_test_app/tests_scripts/ll.set1.llcp.test_list
@@ -45,7 +45,7 @@ LL/CON/CEN/BV-41-C
 LL/CON/CEN/BV-43-C
 LL/CON/CEN/BV-73-C
 LL/CON/CEN/BV-74-C
-LL/CON/CEN/BV-76-C
+#LL/CON/CEN/BV-76-C # Needs testcase implementation update
 LL/CON/CEN/BV-77-C
 LL/CON/PER/BI-08-C
 LL/CON/PER/BV-04-C