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Home >> Honda >> 2021 >> Insight EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (3 Of 4) >> DTC Troubleshooting >> DTC P172B
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DTC P172B

DTC P172B  : KEY-Release Switch Input Circuit Malfunction

NOTE:
DTC Description Confirmed DTC Pending DTC Freeze Frame
P172B KEY-Release Switch Input Circuit Malfunction      

DTC (Gear)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Turn the vehicle to the OFF (LOCK) mode.

    -4. Turn the vehicle to the ON mode and wait for at least 1 minute.

    -5. Monitor the OBD STATUS for P172B in the DTCs MENU with the HDS.

    DTC Description OBD Status
    P172B KEY-Release Switch Input Circuit Malfunction  

    Does the HDS indicate FAILED?

    YES 

    The failure is duplicated. Faulty SBW shifter control module. Replace the SBW shifter assembly .

    NO 

    If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot. If the HDS indicates NOT COMPLETED, go to step 1