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Home >> Mitsubishi >> 2017 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Heating, Air Conditioning & Ventilation - With Diagnostics - Lancer) >> Manual A/C Diagnosis >> Diagnostic Trouble Code Procedures >> DTC U0154: Occupant classification ECU time out >> Notes

DTC U0154: Occupant classification ECU time out: Notes

WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: If DTC U0154 is set in the A/C controller assembly (A/C-ECU) or heater controller assembly (A/C-ECU) (vehicles without A/C), diagnose the CAN main bus line.
CAUTION: Whenever the ECU is replaced, ensure that the communication circuit is normal.
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