Set correct CC tag labels for ECAL RecHit Producer.

DQM/Integration/python/clients/ecal_dqm_sourceclient-live_cfg.py

@@ -60,6 +60,8 @@
 process.ecalMultiFitUncalibRecHit.cpu.algoPSet.outOfTimeThresholdGain61mEB = 5.
 process.ecalMultiFitUncalibRecHit.cpu.algoPSet.timeCalibTag = ':'
 process.ecalMultiFitUncalibRecHit.cpu.algoPSet.timeOffsetTag = ':'
+process.ecalRecHit.cpu.timeCalibTag = ':'
+process.ecalRecHit.cpu.timeOffsetTag = ':'
 
 process.ecalPhysicsFilter = cms.EDFilter("EcalMonitorPrescaler",
     cosmics = cms.untracked.uint32(1),

RecoLocalCalo/EcalRecProducers/python/ecalRecHit_cfi.py

@@ -99,6 +99,20 @@
                  recoverEBIsolatedChannels = False
                 )
 
+# use CC timing method for Run3 and Phase 2 (carried over from Run3 era)
+from Configuration.Eras.Modifier_run3_ecal_cff import run3_ecal
+run3_ecal.toModify(ecalRecHit,
+    timeCalibTag = ':CC',
+    timeOffsetTag = ':CC'
+)
+
+# this overrides the modifications made by run3_ecal if both modifiers are active
+from Configuration.ProcessModifiers.gpuValidationEcal_cff import gpuValidationEcal
+gpuValidationEcal.toModify(ecalRecHit,
+    timeCalibTag = ':',
+    timeOffsetTag = ':'
+)
+
 # Phase 2 modifications
 from Configuration.Eras.Modifier_phase2_ecal_devel_cff import phase2_ecal_devel
 phase2_ecal_devel.toModify(ecalRecHit,