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HOMESERVICE MANUALSACURA2015RLXREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSADAPTIVE CRUISE CONTROL SYSTEM - DIAGNOSTICS (EXCEPT HYBRID)DTC TROUBLESHOOTINGDTC P2583-97 (ADAPTIVE CRUISE CONTROL UNIT) (2014 2015 2016 2017)
2015 Acura RLX

DTC P2583-97 (Adaptive Cruise Control Unit) (2014 2015 2016 2017)

2015 Acura RLXSECTION DTC P2583-97 (Adaptive Cruise Control Unit) (2014 2015 2016 2017)

DTC P2583-97  : Dust or Dirt on the Millimeter Wave Radar

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
P2583-97 Dust or Dirt on the Millimeter Wave Radar    

DTC (ACC)

  1. Millimeter wave radar visual check

    -1. Remove the front bumper .

    -2. Check the frame for warpage or damage, and check the installation of the millimeter wave radar and the bracket.

    -3. Clean any dirt or debris from the millimeter wave radar unit.

    Is the installation and the frame OK?

    YES 

    Go to step 3.

    NO 

    Go to step 2.

  2. Front grille installation check

    -1. Check the installation of the front grille.

    Is the installation OK?

    YES 

    Go to step 3.

    NO 

    Reinstall the front grille or the front bumper correctly. If damaged, replace it.

  3. Problem verification

    -1. Reinstall the front bumper .

    -2. Turn the vehicle to the ON mode.

    -3. Clear the DTC with the HDS.

    -4. Turn the vehicle to the OFF (LOCK) mode.

    -5. Start the vehicle and test-drive it at 25 mph (40 km/h) for 2 minutes or more with the ACC activated.

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

    -6. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
    P2583-97 Dust or Dirt on the Millimeter Wave Radar    

    Is DTC P2583-97 indicated?

    YES 

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

    NO 

    Intermittent failure, the system is OK at this time.

RENDER: 1.0x

NO RELATED

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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.