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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U1203: Fuel System Control Unit >> Diagnosis Procedure >> DTC U1203-87

DTC U1203-87

  1. CAN COMMUNICATION SYSTEM DIAGNOSIS 

    Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart .

    Is the inspection result normal?

    YES

    Replace the fuel pump control module. Refer to Removal and Installation .

    NO

    Repair or replace the malfunctioning parts.

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