DTC U3003-16 (VSA Control Unit)

DTC U3003-16  : Electric Parking Brake Control Unit Power Source Circuit (+B) Low Voltage

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. Wait 15 seconds or more.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   U3003-16 Electric Parking Brake Control Unit Power Source Circuit (+B) Low Voltage

   Is DTC U3003-16 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. DTC check (PGM-FI system)

   -1. Check for PGM-FI system DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC

   Is DTC indicated?

   YES 

   Go to indicated DTCs troubleshooting.

   NO 

   Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .