diff --git a/src/modules/Telemetry/Sensor/RCWL9620Sensor.cpp b/src/modules/Telemetry/Sensor/RCWL9620Sensor.cpp
index e352dda8d..4b2a788e1 100644
--- a/src/modules/Telemetry/Sensor/RCWL9620Sensor.cpp
+++ b/src/modules/Telemetry/Sensor/RCWL9620Sensor.cpp
@@ -41,21 +41,38 @@ void RCWL9620Sensor::begin(TwoWire *wire, uint8_t addr, uint8_t sda, uint8_t scl
 
 float RCWL9620Sensor::getDistance()
 {
-    uint32_t data;
-    _wire->beginTransmission(_addr); // Transfer data to addr.
-    _wire->write(0x01);
-    _wire->endTransmission(); // Stop data transmission with the Ultrasonic
-                              // Unit.
+    uint32_t data = 0;
+    uint8_t b1 = 0, b2 = 0, b3 = 0;
 
-    _wire->requestFrom(_addr,
-                       (uint8_t)3); // Request 3 bytes from Ultrasonic Unit.
+    LOG_INFO("[RCWL9620] Envoi de la commande de mesure");
+
+    _wire->beginTransmission(_addr);
+    _wire->write(0x01); // À tester aussi sans cette ligne si besoin
+    uint8_t result = _wire->endTransmission();
+    LOG_INFO("[RCWL9620] endTransmission result = %d", result);
+    delay(100); // délai pour laisser le capteur répondre
+
+    LOG_INFO("[RCWL9620] Lecture des données I2C...");
+    _wire->requestFrom(_addr, (uint8_t)3);
+
+    if (_wire->available() < 3) {
+    LOG_INFO("[RCWL9620] Moins de 3 octets reçus !");
+        return 0.0;
+    }
+
+    b1 = _wire->read();
+    b2 = _wire->read();
+    b3 = _wire->read();
+
+    data = ((uint32_t)b1 << 16) | ((uint32_t)b2 << 8) | b3;
+
+    float Distance = float(data) / 1000.0;
+
+    LOG_INFO("[RCWL9620] Bytes lus = %02X %02X %02X", b1, b2, b3);
+    LOG_INFO("[RCWL9620] data=%.2f, mesure=%.2f", 
+             (double)data, 
+             (double)Distance);
 
-    data = _wire->read();
-    data <<= 8;
-    data |= _wire->read();
-    data <<= 8;
-    data |= _wire->read();
-    float Distance = float(data) / 1000;
     if (Distance > 4500.00) {
         return 4500.00;
     } else {
@@ -63,4 +80,5 @@ float RCWL9620Sensor::getDistance()
     }
 }
 
-#endif
\ No newline at end of file
+
+#endif