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Home >> Acura >> 2007 >> RL >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Adaptive Cruise Control System >> DTC Troubleshooting >> DTC 10: Vehicle Speed Signal Error
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DTC 10: Vehicle Speed Signal Error

NOTE: If DTC 110 and DTC 111 are stored at the same time as DTC 10, troubleshoot DTC 110 and DTC 111 first, then recheck for DTC 10.
  1. Check for PGM-FI system DTCs with the HDS.

    Are any DTCs indicated? 

    YES  - Troubleshoot the indicated PGM-FI system DTC(s).

    NO  - Go to step 2.

  2. Check for VSA system DTCs with the HDS.

    Are any DTCs indicated? 

    YES  - Troubleshoot the indicated VSA system DTC(s).

    NO  - Go to step 3.

  3. Clear the DTCs with the HDS.
  4. Test-drive the vehicle at 28 mph (45 km/h) or more, and watch the ACC indicator.

    Does the ACC indicator come on? 

    YES  - Go to step 5.

    NO  - Intermittent failure, the system is OK at this time. Check for loose or poor connections.

  5. Check for DTCs with the HDS.

    Is DTC 10 indicated? 

    YES  - Check for loose or poor connections. If OK, replace the ACC unit (see DISTANCE SWITCH TEST  ).

    NO  - Troubleshoot the indicated DTC.