DTC U3000-54 (VSA Control Unit)

DTC U3000-54  : ECU Internal Circuit Failure

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

DTC (VSA)

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, then start the engine.

   -4. Test-drive the vehicle at 6 mph (10 km/h) or more for at least 5 seconds.

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

   -5. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   U3000-54 ECU Internal Circuit Failure

   Is DTC U3000-54 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting . 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.

2. VSA modulator-control unit check (VSA sensor neutral position memorization)

   -1. Do the VSA sensor neutral position memorization .

   -2. Turn the vehicle to the OFF (LOCK) mode, then start the engine.

   -3. Test-drive the vehicle at 6 mph (10 km/h) or more for at least 5 seconds.

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

   -4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Is DTC U3000-54 indicated?

   YES 

   Check for loose terminals and poor connections in the VSA modulator-control unit 38P connector. If they are OK, replace the VSA modulator-control unit .

   NO 

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