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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 5) >> DTC/Circuit Diagnosis >> DTC U0404: Powertrain Can Communication (Electric Shift Control Unit) >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

  1. CHECK DTC OF ELECTRONIC SHIFT CONTROL UNIT

    G-20 With CONSULT

    Check "Self-diagnostic result" of "SHIFT".

    Is any DTC detected?

    YES 

    Perform trouble diagnosis for detected DTC. Refer to DTC INDEX .

    NO 

    Replace electronic shift control unit. Refer to REMOVAL AND INSTALLATION .

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