diff --git a/esphome/components/mopeka_std_check/mopeka_std_check.cpp b/esphome/components/mopeka_std_check/mopeka_std_check.cpp
index 67e749c68b..9dd1718cb2 100644
--- a/esphome/components/mopeka_std_check/mopeka_std_check.cpp
+++ b/esphome/components/mopeka_std_check/mopeka_std_check.cpp
@@ -71,7 +71,8 @@ bool MopekaStdCheck::parse_device(const esp32_ble_tracker::ESPBTDevice &device)
   const auto *mopeka_data = (const mopeka_std_package *) manu_data.data.data();
 
   const u_int8_t hardware_id = mopeka_data->data_1 & 0xCF;
-  if (static_cast<SensorType>(hardware_id) != STANDARD && static_cast<SensorType>(hardware_id) != XL) {
+  if (static_cast<SensorType>(hardware_id) != STANDARD && static_cast<SensorType>(hardware_id) != XL &&
+      static_cast<SensorType>(hardware_id) != ETRAILER) {
     ESP_LOGE(TAG, "[%s] Unsupported Sensor Type (0x%X)", device.address_str().c_str(), hardware_id);
     return false;
   }
diff --git a/esphome/components/mopeka_std_check/mopeka_std_check.h b/esphome/components/mopeka_std_check/mopeka_std_check.h
index e4d81afbd7..ee588c8e5f 100644
--- a/esphome/components/mopeka_std_check/mopeka_std_check.h
+++ b/esphome/components/mopeka_std_check/mopeka_std_check.h
@@ -14,6 +14,7 @@ namespace mopeka_std_check {
 enum SensorType {
   STANDARD = 0x02,
   XL = 0x03,
+  ETRAILER = 0x46,
 };
 
 // 4 values in one struct so it aligns to 8 byte. One `mopeka_std_values` is 40 bit long.