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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC P0880: TCM Power Signal Error Open/Short (GND) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage Monitoring
  1. Poor Connector Connection
  2. Faulty PCM/TCM Power Circuit
  3. Faulty PCM/TCM
Enable Conditions
  • Time after TCM turns on greater than 0.3s
  • Battery voltage between 9V and 22V
Threshold value
  • Actuator Power Supply Voltage Lower than 7V
Fail safe
  • Mechanical limp home (4th gear hold, manual shift is not allowed)
Detecting Time
  • 0.2s
MIL ON Condition
  • 2 Driving Cycles
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