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Home >> Acura >> 2019 >> TLX SH-AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostics & Advanced Diagnostics >> DTC Troubleshooting >> DTC P0011: VTC System Malfunction (L4)
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DTC P0011: VTC System Malfunction (L4)

NOTE: 

DTC Description Confirmed DTC Pending DTC Freeze Frame
P0011 VTC System Malfunction      

DTC (PGM-FI)

  1. Oil pressure check

    -1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

    - 3. Start the engine.

    - 4. Watch the low oil pressure indicator in the gauge with the engine running.

    Is the low oil pressure indicator on?

    YES 

    Check the engine oil level. If the level is OK, check the engine oil pressure - Refer to: Engine Oil Pressure Test (L4) .

    NO 

    Go to step 2.

  2. Problem verification

    -1. Select the VTC TEST in the INSPECTION MENU with the HDS.

    VTC TEST

    Is the result OK?

    YES 

    The failure is not duplicated. Go to step 3.

    NO 

    Go to step 6. Refer to:  6

  3. VTC system check (HDS data list check)

    -1. Test-drive at a steady speed between 19-37 mph (30-60 km/h) for 10 minutes.

    - 2. Check the parameter (s) below with the HDS.

    Signal Threshold Current conditions
    Values Unit Values Unit
    VTC STATUS ON      

    Do the current condition (s) match the threshold?

    YES 

    Go to step 4.

    NO 

    Go to step 3, and recheck.

  4. VTC system check (OBD STATUS check)

    -1. Test-drive at a steady speed between 19-37 mph (30-60 km/h) for 10 minutes.

    - 2. Monitor the OBD STATUS for DTC P0011 with the HDS.

    DTC Description OBD STATUS
    P0011 VTC System Malfunction  

    Does the HDS indicate FAILED?

    YES 

    Go to step 5.

    NO 

    If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the VTC oil control solenoid valve and the PCM. 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 2 and recheck.

  5. VTC strainer check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Remove the VTC strainer.

    - 3. Check the VTC strainer for clogging.

    GHH198219Courtesy of HONDA, U.S.A., INC.

    Is the strainer OK?

    YES 

    Go to step 6.

    NO 

    Clean the VTC strainer, replace the engine oil filter - Refer to: Engine Oil Filter Removal and Installation (L4) and engine oil - Refer to: or Engine Oil Replacement (L4) .

  6. VTC oil control solenoid valve check

    -1. Test the VTC oil control solenoid valve.

    Is the valve OK?

    YES 

    Go to step 7.

    NO 

    Replace the VTC oil control solenoid valve .

  7. VTC actuator check

    -1. Inspect the VTC actuator.

    Is the VTC actuator OK?

    YES 

    Check the VTC system oil passages, and clean them if needed.

    NO 

    Replace the VTC actuator .