DTC U3000:04 [ELECTRIC PARKING BRAKE]

id040257255300

Description

Electric parking brake control module internal malfunction
Detection condition
•  Electric parking brake control module detects the internal malfunction.
Fail-safe
Not applicable
Possible cause
•  Low battery voltage
•  Electric parking brake control module malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
INSPECT BATTERY
•  Inspect the battery.
•  Is the battery normal?
Yes
Go to the next step.
No
Recharge or replace the battery, then go to the next step.
(See BATTERY RECHARGING.)
(See BATTERY REMOVAL/INSTALLATION.)
2
VERIFY IF MALFUNCTIONING LOCATION IS ELECTRIC PARKING BRAKE CONTROL MODULE DEPENDING ON REPEATABILITY
•  Clear the DTC for the electric parking brake control module using the M-MDS.
•  Perform the following procedure 3 times or more.
?  Pull up the electric parking brake switch to operate the electric parking brake.
?  Press down the electric parking brake switch to release the electric parking brake.
•  Retrieve the electric parking brake control module DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the electric parking brake control module, then go to the next step.
(See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION.)
No
Go to the next step.
3
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [ELECTRIC PARKING BRAKE].)
No
DTC troubleshooting completed.