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Home >> Mitsubishi >> 2021 >> Outlander PHEV LE >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Air Conditioning And Ventilation >> Troubleshooting >> Diagnostic Trouble Code Procedures <Heater Controller Assembly (A/C-Ecu)> >> DTC U1000: OSS/F.A.S.T._OSS CAN timeout >> DTC Set Condition
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DTC Set Condition

The heater controller assembly (A/C-ECU) receives air conditioning control-related signals from the OSS-ECU via the CAN bus lines. If the ECU cannot receive any of the air conditioning control-related signals from the OSS-ECU, DTC U1000 will be set.

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