From 45ebe51e4f8d67e96b3e64e8e657993db8a99ea2 Mon Sep 17 00:00:00 2001
From: Martin <25747549+martgras@users.noreply.github.com>
Date: Mon, 3 Jan 2022 18:28:28 +0100
Subject: [PATCH] Modbus: fix response parsing error for coil write (#2986)

---
 esphome/components/modbus/modbus.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/modbus/modbus.cpp b/esphome/components/modbus/modbus.cpp
index 9ee3137be9..60ce50097c 100644
--- a/esphome/components/modbus/modbus.cpp
+++ b/esphome/components/modbus/modbus.cpp
@@ -69,7 +69,7 @@ bool Modbus::parse_modbus_byte_(uint8_t byte) {
   uint8_t data_len = raw[2];
   uint8_t data_offset = 3;
   // the response for write command mirrors the requests and data startes at offset 2 instead of 3 for read commands
-  if (function_code == 0x5 || function_code == 0x06 || function_code == 0x10) {
+  if (function_code == 0x5 || function_code == 0x06 || function_code == 0xF || function_code == 0x10) {
     data_offset = 2;
     data_len = 4;
   }