DTC P2583-64 (Adaptive Cruise Control Unit) (2014 2015 2016 2017)

2015 Acura RLXSECTION DTC P2583-64 (Adaptive Cruise Control Unit) (2014 2015 2016 2017)

DTC P2583-64  : Millimeter Wave Radar Aiming Error

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the how to troubleshooting information .

DTC Description DTC Freeze Frame
P2583-64 Millimeter Wave Radar Aiming Error    

DTC (ACC)

  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. Start the vehicle and test-drive it on a straight road at 25 mph (40 km/h) or more for 5 minutes with the ACC activated.

    NOTE:  Drive the vehicle on the road, not on a lift.

    -5. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
    P2583-64 Millimeter Wave Radar Aiming Error    

    Is DTC P2583-64 indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time.

  2. Millimeter wave radar installation check

    -1. Remove the front bumper .

    -2. Check the installation of the millimeter wave radar and the bracket.

    Is the installation OK?

    YES 

    Go to step 3.

    NO 

    Reinstall or replace the part that has a problem, then go to step 3.

  3. Millimeter wave radar aiming

    -1. Install the front bumper .

    -2. Aim the millimeter wave radar .

    -3. Turn the vehicle to the ON mode.

    -4. Clear the DTC with the HDS.

    -5. Turn the vehicle to the OFF (LOCK) mode.

    -6. Start the vehicle and test-drive it on a straight road at 25 mph (40 km/h) or more for 5 minutes with the ACC activated.

    NOTE:  Drive the vehicle on the road, not on a lift.

    -7. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
         

    Is DTC P2583-64 indicated?

    YES 

    Check for loose or poor connections. If OK, replace the millimeter wave radar .

    NO 

    Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTC's troubleshooting.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.