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Home › Kia › 2017 › Optima Plug-In Hybrid EX › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transaxle System Diagnosis (PHEV) › DTC U0293: Lost Communication With Hybrid Powertrain Control Module › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Monitoring
  1. Poor Connector Connection
  2. Faulty P-CAN Communication Circuit
  3. Faulty HPCU
Enable Conditions
  • 0.5s after PCM turns "ON"
  • Ignition "ON" voltage between 9V and 16V
Threshold value
  • Message from HPCU No message
Fail safe
  • Limp Home Driving
Detecting Time
  • 2s
MIL ON Condition
  • 2 Driving Cycles
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