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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 U0100-211 Lost Communication with ECM / PCM "A"; DTC P0A1D-615 Hybrid Powertrain Control Module; DTC U0100-212 Lost Communication with ECM / PCM "A"; DTC U0100-530 Lost Communication with ECM / PCM "A"; DTC U0100-774 Lost Communication with ECM / PCM "A"; DTC U0100-784 Lost Communication with ECM / PCM "A"; DTC U0122-732 Lost Communication with Vehicle Dynamics Control Module; DTC U0123-726 Lost Communication Error of Yaw Rate Sensor; DTC U0126-735 Lost Communication with Steering Angle Sensor Module; DTC U0129-220 Lost Communication with Brake System Control Module; DTC U0129-222 Lost Communication with Brake System Control Module; DTC U0129-528 Lost Communication with Brake System Control Module; DTC U0129-529 Lost Communication with Brake System Control Module; DTC U0131-433 Lost Communication with Power Steering Control Module; DTC U0131-434 Lost Communication with Power Steering Control Module; DTC U0146-435 Lost Communication with Gateway "A"; DTC U0293-730 Lost Communication with Distance Control ECU; DTC U0293-733 Lost Communication with Vehicle Dynamics Control Module; DTC U1101-728 Lost Communication with Distance Control ECU >> Inspection Procedure

Inspection Procedure

  1. READ OUTPUT DTC (ALL) 
    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.
    4. Read output DTCs.

    Result 

    DTC RESULT DESCRIPTION

    Output DTC Proceed to
    U0100-211, U0100-212, or U0100-530 only is output. A
    DTCs other than above are output. B

    A: REPLACE HYBRID VEHICLE CONTROL ECU 

    B:  GO TO CAN COMMUNICATION SYSTEM

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