P1863 MITSUBISHI - High Side 1 System Open Circuit
- Faulty Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU)
- TC-SST-ECU harness is open or shorted
- TC-SST-ECU circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1863 Mitsubishi DescriptionThe Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU) monitors the system and the supply current to the high side 1 is determined to be open.
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