diff --git a/subsys/bluetooth/controller/ll_sw/ull_conn.c b/subsys/bluetooth/controller/ll_sw/ull_conn.c
index ff19a9a2f38..83dfce376e1 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_conn.c
+++ b/subsys/bluetooth/controller/ll_sw/ull_conn.c
@@ -8197,3 +8197,8 @@ uint8_t ull_conn_lll_phy_active(struct ll_conn *conn, uint8_t phys)
 }
 
 #endif /* CONFIG_BT_LL_SW_LLCP_LEGACY */
+
+uint8_t ull_is_lll_tx_queue_empty(struct ll_conn *conn)
+{
+	return (memq_peek(conn->lll.memq_tx.head, conn->lll.memq_tx.tail, NULL) == NULL);
+}
diff --git a/subsys/bluetooth/controller/ll_sw/ull_conn_internal.h b/subsys/bluetooth/controller/ll_sw/ull_conn_internal.h
index d87e30f421a..bf75d87aeec 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_conn_internal.h
+++ b/subsys/bluetooth/controller/ll_sw/ull_conn_internal.h
@@ -125,3 +125,8 @@ void ull_conn_pause_rx_data(struct ll_conn *conn);
 void ull_conn_resume_rx_data(struct ll_conn *conn);
 
 #endif /* CONFIG_BT_LL_SW_LLCP_LEGACY */
+
+/**
+ * @brief Check if the lower linked layer transmit queue is empty
+ */
+uint8_t ull_is_lll_tx_queue_empty(struct ll_conn *conn);
diff --git a/subsys/bluetooth/controller/ll_sw/ull_llcp_phy.c b/subsys/bluetooth/controller/ll_sw/ull_llcp_phy.c
index 8e01829b117..47ee96045c4 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_llcp_phy.c
+++ b/subsys/bluetooth/controller/ll_sw/ull_llcp_phy.c
@@ -597,7 +597,7 @@ static void lp_pu_st_wait_tx_ack_phy_req(struct ll_conn *conn, struct proc_ctx *
 			/* Unknown role */
 			LL_ASSERT(0);
 		}
-		llcp_tx_resume_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_PHY_UPDATE);
+
 		break;
 	default:
 		/* Ignore other evts */
@@ -685,6 +685,7 @@ static void lp_pu_st_wait_rx_phy_update_ind(struct ll_conn *conn, struct proc_ct
 			ctx->data.pu.ntf_pu = ctx->data.pu.host_initiated;
 			lp_pu_complete(conn, ctx, evt, param);
 		}
+		llcp_tx_resume_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_PHY_UPDATE);
 		break;
 	case LP_PU_EVT_REJECT:
 		llcp_rr_set_incompat(conn, INCOMPAT_NO_COLLISION);
@@ -692,6 +693,7 @@ static void lp_pu_st_wait_rx_phy_update_ind(struct ll_conn *conn, struct proc_ct
 		ctx->data.pu.error = ctx->reject_ext_ind.error_code;
 		ctx->data.pu.ntf_pu = 1;
 		lp_pu_complete(conn, ctx, evt, param);
+		llcp_tx_resume_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_PHY_UPDATE);
 	default:
 		/* Ignore other evts */
 		break;
@@ -919,7 +921,8 @@ static void rp_pu_send_phy_update_ind(struct ll_conn *conn, struct proc_ctx *ctx
 				      void *param)
 {
 	if (llcp_rr_ispaused(conn) || !llcp_tx_alloc_peek(conn, ctx) ||
-	(llcp_rr_get_paused_cmd(conn) == PROC_PHY_UPDATE)) {
+	(llcp_rr_get_paused_cmd(conn) == PROC_PHY_UPDATE) ||
+	    !ull_is_lll_tx_queue_empty(conn)) {
 		ctx->state = RP_PU_STATE_WAIT_TX_PHY_UPDATE_IND;
 	} else {
 		llcp_rr_set_paused_cmd(conn, PROC_CTE_REQ);
@@ -965,6 +968,7 @@ static void rp_pu_st_wait_rx_phy_req(struct ll_conn *conn, struct proc_ctx *ctx,
 	/* Combine with the 'Preferred' the phys in conn->phy_pref_?x */
 	pu_combine_phys(conn, ctx, conn->phy_pref_tx, conn->phy_pref_rx);
 	llcp_tx_pause_data(conn, LLCP_TX_QUEUE_PAUSE_DATA_PHY_UPDATE);
+
 	switch (evt) {
 	case RP_PU_EVT_PHY_REQ:
 		switch (conn->lll.role) {