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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0AA1-231 Through U0424-537 >> DTC U0146-5941 Lost Communication with Gateway "A1 >> Inspection Procedure

Inspection Procedure

  1. READ OUTPUT DTC (CAN BUS CHECK) 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. Select the following menu items: DIAGNOSIS / OBD/ MOBD / HV ECU / DTC INFO / CURRENT CODES.

      HINT:

      If DTCs other than CAN communication problem DTCs are output simultaneously, first solve the CAN communication problem, and then perform troubleshooting for other DTCs.

    NEXT:  GO TO CAN COMMUNICATION SYSTEM

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