diff --git a/classCAN.py b/classCAN.py
index e7bf2c2..b8a0569 100644
--- a/classCAN.py
+++ b/classCAN.py
@@ -132,9 +132,9 @@ class CANBackend:
                             "MV08": 100 * data[6] / 255,
                         })
                     
-                    elif cob_id == 0x2B2 and len(data) >= 7:
-                        self.latest_data[2].update({
-                            "PU2_STATE"            : data[0],
+                    elif cob_id == 0x2AB and len(data) >= 7:
+                        self.latest_data[1].update({
+                            "PU1_STATE"            : data[0],
                             "Conductivity_Feed"    : int.from_bytes(data[1:3], 'little') / 100.0,
                             "Conductivity_Permeate": int.from_bytes(data[3:5], 'little') / 100.0,
                             "Conductivity_Product" : int.from_bytes(data[5:7], 'little') / 100.0,