DTC U2000:4B [ELECTRIC PARKING BRAKE]

id040257254700

Description

Abnormal electric parking brake motor gear unit temperature
Detection condition
•  The electric parking brake is operated repeatedly for a short period.
Fail-safe
Not applicable
Possible cause
•  The electric parking brake was operated repeatedly for a short period.
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY IF ELECTRIC PARKING BRAKE MOTOR GEAR UNIT TEMPERATURE WAS TEMPORARILY HIGH
•  Press down the electric parking brake switch, release the electric parking brake, and leave the vehicle for 30 min or more.
•  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
System is normal. (Explain to the customer that the protection control was performed by repeatedly operating the electric parking brake.)
No
Go to the next step.
2
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.