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Home >> Honda >> 2021 >> Pilot Special Edition, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Blind Spot / Lane Watch System - Diagnostics >> DTC Troubleshooting >> DTC : U128D

DTC : U128D

DTC U128D  : Left Side BSI Radar Unit Lost Communication With Gauge Control Module

DTC U128D  : Right Side BSI Radar Unit Lost Communication With Gauge Control Module

NOTE:  Before you troubleshoot, review the general troubleshooting information - Refer to:

How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2016 2017 2018)  or

How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2019 2020 2021) .

DTC Description DTC
U128D Left side BSI radar unit lost communication with gauge control module  
U128D Right side BSI radar unit lost communication with gauge control module  

DTC (BSI)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

    Clear DTCs

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

    - 4. Turn the vehicle to the ON mode, then wait for at least 2 seconds.

    - 5. Check for DTCs with the HDS.

    DTC Description DTC
    U128D Left side BSI radar unit lost communication with gauge control module  
    U128D Right side BSI radar unit lost communication with gauge control module  

    Is DTC U128D indicated?

    YES 

    Go to the Multiplex Integrated Control System General Troubleshooting . If the symptom is still present, replace the appropriate BSI Radar Unit - Removal and Installation .

    NO 

    Intermittent failure, the system is OK at this time. Go to intermittent failures troubleshooting - Refer to:

    How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2016 2017 2018)  or

    How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2019 2020 2021) .