diff --git a/cime_config/testdefs/testlist_cam.xml b/cime_config/testdefs/testlist_cam.xml
index 99241b39c7..6539a9fcac 100644
--- a/cime_config/testdefs/testlist_cam.xml
+++ b/cime_config/testdefs/testlist_cam.xml
@@ -1379,6 +1379,15 @@
     </options>
   </test>
 
+  <test compset="F2000climo" grid="mpasa480_mpasa480" name="ERS_D_Ln9" testmods="cam/outfrq9s_mpasa480_pertlim">
+    <machines>
+      <machine name="derecho" compiler="intel" category="aux_cam"/>
+    </machines>
+    <options>
+      <option name="wallclock">00:45:00</option>
+    </options>
+  </test>
+
   <test compset="FHS94" grid="mpasa480z32_mpasa480" name="ERC_D_Ln9" testmods="cam/outfrq3s_usecase">
     <machines>
       <machine name="derecho" compiler="intel" category="prealpha"/>
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/shell_commands b/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/shell_commands
new file mode 100644
index 0000000000..eb40ad83e0
--- /dev/null
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/shell_commands
@@ -0,0 +1,2 @@
+./xmlchange ROF_NCPL=\$ATM_NCPL
+./xmlchange GLC_NCPL=\$ATM_NCPL
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/user_nl_cam b/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/user_nl_cam
new file mode 100644
index 0000000000..3edf536070
--- /dev/null
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/user_nl_cam
@@ -0,0 +1,7 @@
+mfilt=1,1,1,1,1,1
+ndens=1,1,1,1,1,1
+nhtfrq=9,9,9,9,9,9
+inithist='ENDOFRUN'
+mpas_cam_coef=1.0D0
+mpas_cam_damping_levels=3
+pertlim = 1.e-14
diff --git a/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/user_nl_clm b/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/user_nl_clm
new file mode 100644
index 0000000000..c4cb9d28d6
--- /dev/null
+++ b/cime_config/testdefs/testmods_dirs/cam/outfrq9s_mpasa480_pertlim/user_nl_clm
@@ -0,0 +1,3 @@
+hist_nhtfrq = 9
+hist_mfilt  = 1
+hist_ndens  = 1