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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) >> Wiring Inspection >> Power Circuit Inspection (PCM/TCM)
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Power Circuit Inspection (PCM/TCM)

  1. Ignition "OFF".
  2. Refer to TRANSAXLE CONTROL MODULE (TCM) and disconnect PCM/TCM connector.
  3. Ignition "ON".
  4. Measure voltage between Pin No. 64 (Power) terminal of PCM/TCM harness connector and chassis ground.
  5. Measure voltage between Pin No. 75 (Power) terminal of PCM/TCM harness connector and chassis ground.
  6. Measure voltage between Pin No. 85 (Power) terminal of PCM/TCM harness connector and chassis ground.

    Specification  : B+

  7. Is the measured value within specification?

    YES 

    NO