LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2018 >> TLX SH-AWD >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> Sh-AWD System - Diagnostics >> DTC Troubleshooting >> DTC U3000-49: Control Module Internal Control Module Malfunction (With SH-AWD)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U3000-49: Control Module Internal Control Module Malfunction (With SH-AWD)

NOTE:  Before you troubleshoot, review the general troubleshooting information .

DTC Description DTC Freeze Frame
U3000-49 Control Module Internal Control Module Malfunction    

DTCs (SH-AWD)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

    - 3. Start the engine.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
    U3000-49 Control Module Internal Control Module Malfunction    

    Is DTC U3000-49 indicated?

    YES 

    The failure is duplicated. Update the SH-AWD control unit if it does not have the latest software , or substitute a known-good SH-AWD control unit , then recheck. If this DTC goes away and the SH-AWD control unit was updated, troubleshooting is complete. If this DTC goes away and the SH-AWD control unit was substituted, replace the original SH-AWD control unit .

    NO 

    Intermittent failure, the system is OK at this time.