diff --git a/esphome/components/tmp1075/tmp1075.cpp b/esphome/components/tmp1075/tmp1075.cpp
index 38ed2bea31..68253a11f1 100644
--- a/esphome/components/tmp1075/tmp1075.cpp
+++ b/esphome/components/tmp1075/tmp1075.cpp
@@ -18,14 +18,9 @@ static uint16_t temp2regvalue(float temp);
 static float regvalue2temp(uint16_t regvalue);
 
 void TMP1075Sensor::setup() {
-  uint8_t die_id;
-  if (!this->read_byte(REG_DIEID, &die_id)) {
-    ESP_LOGW(TAG, "'%s' - unable to read ID", this->name_.c_str());
-    this->mark_failed();
-    return;
-  }
-  if (die_id != EXPECT_DIEID) {
-    ESP_LOGW(TAG, "'%s' - unexpected ID 0x%x found, expected 0x%x", this->name_.c_str(), die_id, EXPECT_DIEID);
+  uint8_t cfg;
+  if (!this->read_byte(REG_CFGR, &cfg)) {
+    ESP_LOGE(TAG, "'%s' - unable to read", this->name_.c_str());
     this->mark_failed();
     return;
   }
@@ -37,9 +32,10 @@ void TMP1075Sensor::update() {
   uint16_t regvalue;
   if (!read_byte_16(REG_TEMP, &regvalue)) {
     ESP_LOGW(TAG, "'%s' - unable to read temperature register", this->name_.c_str());
-    this->status_set_warning();
+    this->status_set_warning("can't read");
     return;
   }
+  this->status_clear_warning();
 
   const float temp = regvalue2temp(regvalue);
   this->publish_state(temp);
@@ -89,9 +85,9 @@ void TMP1075Sensor::write_config() {
 }
 
 void TMP1075Sensor::send_config_() {
-  ESP_LOGV(TAG, "'%s' - sending configuration %04x", this->name_.c_str(), config_.regvalue);
+  ESP_LOGV(TAG, "'%s' - sending configuration %02x", this->name_.c_str(), config_.regvalue);
   log_config_();
-  if (!this->write_byte_16(REG_CFGR, config_.regvalue)) {
+  if (!this->write_byte(REG_CFGR, config_.regvalue)) {
     ESP_LOGW(TAG, "'%s' - unable to write configuration register", this->name_.c_str());
     return;
   }
diff --git a/esphome/components/tmp1075/tmp1075.h b/esphome/components/tmp1075/tmp1075.h
index db2bac517a..84e2e8abe4 100644
--- a/esphome/components/tmp1075/tmp1075.h
+++ b/esphome/components/tmp1075/tmp1075.h
@@ -36,9 +36,8 @@ struct TMP1075Config {
       uint8_t shutdown : 1;  // Sets the device in shutdown mode to conserve power.
                              // 0: Device is in continuous conversion
                              // 1: Device is in shutdown mode
-      uint8_t unused : 8;
     } fields;
-    uint16_t regvalue;
+    uint8_t regvalue;
   };
 };