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Home >> Mitsubishi >> 2025 >> Outlander PHEV ES >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control System >> DTC/Circuit Diagnosis >> DTC U2176-57: Mac Comm Error (Chassis Control Module) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DTC PRIORITY 

    If DTC U2176-57 is displayed with DTC U1327-52 or DTC U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.

    Is DTC U1327-52 or U1327-54 detected? 

    YES: Refer to DTC DESCRIPTION (U1327-52) or DTC DESCRIPTION (U1327-54).

    NO: GO TO  2.

  2. CHECK MAC DIAGNOSIS 

    With M.U.T.-III SE

    Perform "MAC Diagnosis" mode of "BCM" using M.U.T-III SE.

    Is DTC U2176-57 detected with DTC U2140-57, DTC U2152-57 (with MI PILOT Assist) and DTC U2175-57 (with around view monitor control unit) at the same time? 

    YES (all DTC codes are detected at the same time):

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO (all DTC codes are not detected at the same time):

    GO TO  3.

  3. CHECK NETWORK-DTC 

    Check CAN communication system. Refer to TROUBLE DIAGNOSIS FLOW CHART .

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair or replace faulty parts.

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