DTC Troubleshooting: C1100-98
DTC C1100-98: Electric Parking Brake Continuous Operations Detected
NOTE:
Before you troubleshoot, review the general troubleshooting information.
This DTC is set when repeated use of the electric parking brake function causes electric parking brake actuator overheating. The code can be cleared with the HDS once the electric parking brake actuator has cooled.

DTC Description
DTC
Freeze Frame
C1100-98 Electric Parking Brake Continuous Operations Detected
    

1.
Problem verification:

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 wait for 5 minutes or more.

?4.
Turn the vehicle to the ON mode.

?5.
Apply and release the parking brake several times.

?6.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1100-98 Electric Parking Brake Continuous Operations Detected
    

Is DTC C1100-98 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.
Electric parking brake actuator check (Left side):

Electric parking brake actuator check (Left side)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Substitute a known-good left electric parking brake actuator.

?3.
Turn the vehicle to the ON mode.

?4.
Clear the DTC with the HDS.


?5.
Turn the vehicle to the OFF (LOCK) mode, then wait for 5 minutes or more.

?6.
Turn the vehicle to the ON mode.

?7.
Apply and release the parking brake several times.

?8.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1100-98 Electric Parking Brake Continuous Operations Detected
    

Is DTC C1100-98 indicated?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
3.
Electric parking brake actuator check (Right side):

Electric parking brake actuator check (Right side)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Reinstall the original left electric parking brake actuator.

?3.
Substitute a known-good right electric parking brake actuator.

?4.
Turn the vehicle to the ON mode.

?5.
Clear the DTC with the HDS.


?6.
Turn the vehicle to the OFF (LOCK) mode, then wait for 5 minutes or more.

?7.
Turn the vehicle to the ON mode.

?8.
Apply and release the parking brake several times.

?9.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1100-98 Electric Parking Brake Continuous Operations Detected
    

Is DTC C1100-98 indicated?

     
YES
     
     
     
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.?
     
NO