DTC U3000-49 (Electric Parking Brake Control Unit)

DTC U3000-49  : Electric Parking Brake Control Unit Internal Circuit Malfunction

DTC (Electric parking brake)

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 the ON mode.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   U3000-49 Electric Parking Brake Control Unit Internal Circuit Malfunction

   Is DTC U3000-49 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 .

2. Electric parking brake control unit check (update or substitution)

   -1. Update the electric parking brake control unit if it does not have the latest software . If the unit already has the latest software, substitute a known-good electric parking brake control unit .

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

   -3. Check for DTCs with the HDS.

   DTC Description	DTC
   U3000-49 Electric Parking Brake Control Unit Internal Circuit Malfunction

   Is DTC U3000-49 indicated?

   YES 

   Check for loose terminals and poor connections at the electric parking brake control unit. If the electric parking brake control unit was updated, substitute a known-good electric parking brake control unit , then retest. If the electric parking brake control unit was substituted, go to step 1.

   NO 

   If the electric parking brake control unit was updated, troubleshooting is complete. If the electric parking brake control unit was substituted, replace the original electric parking brake control unit .