diff --git a/pus_tc/plpcdu.py b/pus_tc/plpcdu.py
index 41926a8..6ee1a66 100644
--- a/pus_tc/plpcdu.py
+++ b/pus_tc/plpcdu.py
@@ -27,8 +27,41 @@ class Submodes(enum.IntEnum):
 
 
 class ParamIds(enum.IntEnum):
+    NEG_V_LOWER_BOUND = 0
+    NEG_V_UPPER_BOUND = 1
+
+    DRO_U_LOWER_BOUND = 2
+    DRO_U_UPPER_BOUND = 3
+    DRO_I_UPPER_BOUND = 4
+
+    X8_U_LOWER_BOUND = 5
+    X8_U_UPPER_BOUND = 6
+    X8_I_UPPER_BOUND = 7
+
+    TX_U_LOWER_BOUND = 8
+    TX_U_UPPER_BOUND = 9
+    TX_I_UPPER_BOUND = 10
+
+    MPA_U_LOWER_BOUND = 11
+    MPA_U_UPPER_BOUND = 12
+    MPA_I_UPPER_BOUND = 13
+
+    HPA_U_LOWER_BOUND = 14
+    HPA_U_UPPER_BOUND = 15
+    HPA_I_UPPER_BOUND = 16
+
     SSR_TO_DRO_WAIT_TIME = 17
     DRO_TO_X8_WAIT_TIME = 18
+    X8_TO_TX_WAIT_TIME = 19
+    TX_TO_MPA_WAIT_TIME = 20
+    MPA_TO_HPA_WAIT_TIME = 21
+
+    INJECT_SSR_TO_DRO_FAILURE = 30
+    INJECT_DRO_TO_X8_FAILURE = 31
+    INJECT_X8_TO_TX_FAILURE = 32
+    INJECT_TX_TO_MPA_FAILURE = 33
+    INJECT_MPA_TO_HPA_FAILURE = 34
+    INJECT_ALL_ON_FAILURE = 35
 
 
 def pack_pl_pcdu_commands(tc_queue: TcQueueT, op_code: str):