LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2022 >> ILX >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Automatic Lighting System - Diagnostics (Except Hybrid) >> DTC Troubleshooting >> DTC U1281 (Automatic Lighting Control Unit)

DTC U1281 (Automatic Lighting Control Unit)

DTC U1281  : Auto Light Control Unit Lost Communication With MICU

DTC Description DTC
U1281 Auto Light Control Unit Lost Communication With MICU  

DTC (Automatic Lighting Control Unit)

NOTE:
  • If you have any loss of communication DTCs for the PCM, troubleshoot those DTCs first.
  • If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
  1. Problem verification

    -1. Clear the DTCs with the HDS.

    -2. Press the engine start/stop button to select the OFF mode and then the ON mode.

    -3. Wait for at least 6 seconds.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    U1281 Auto Light Control Unit Lost Communication With MICU  

    Is DTC U1281 indicated?

    YES 

    Go to MICU DTC U1280 troubleshooting .

    NO 

    Intermittent failure, the system is OK at this time.