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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Automatic Transmission (Diagnostic Trouble Codes (DTCS) (U0100-P0745)) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC U0101: Lost Comm (TCM) >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK DTC OF HPCM

    G-20With CONSULT 

    1. Turn ignition switch ON.
    2. Perform "Self Diagnostic Results" in "EV/HEV".

    Is "U0101" detected?

    YES 

    Replace transmission assembly due to malfunction in TCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    Replace sub electric oil pump inverter. Refer to REMOVAL AND INSTALLATION .

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