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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC C1A33: ADAS Can Communication Signal Transmission Error >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK DTC PRIORITY

    If DTC "C1A33" is displayed with DTC "U1000", first diagnose the DTC "U1000".

    Is applicable DTC detected?

    YES 

    Perform diagnosis of applicable. Refer to DTC LOGIC .

    NO 

    GO TO STEP 2  .

  2. CHECK SELF-DIAGNOSIS RESULTS

    Check if "U1000" is detected other than "C1A33" in "Self Diagnostic Result" of "ICC/ADAS".

    Is "U1000" detected?

    YES 

    Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to DTC LOGIC .

    NO 

    Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .

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