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Home >> Toyota >> 2025 >> RAV4 Plug-In Hybrid XSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 477 (Electric Parking Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (2 Of 2) & Symptom Tests) >> ELECTRIC PARKING BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C13AA: EPB High Temperature [11/2018 - 12/2021] >> Description

DTC C13AA: EPB High Temperature [11/2018 - 12/2021]: Description

WARNING: This page is about a different variant/trim than selected.

If the electric parking brake is used continuously, the parking brake actuator assembly overheat prevention stops the system.

This DTC is stored to protect the system and is not a malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
C13AA EPB High Temperature Both of following conditions are met:
  1. Electric parking brake is operating
  2. Lock and release operations are performed without 2 second interval 10 times; or lock and release operations are performed without 2 second interval 4 times, and target current is not achieved during lock control
Overheat due to continuous use of system Yes A message is displayed on the multi-information display indicating electric parking brake system operation is stopped due to high temperatures.
HINT: 
EPB stands for Electric Parking Brake.
DTC DETECTION CONDITION COMBINATION TABLE: C13AA

  Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition Electric parking brake operating ◦ ◦
Malfunction Status Lock and release operations are performed within less than 2 seconds ◦ -
Lock and release operations are performed within less than 2 seconds and target current is not achieved during lock control - ◦
Detection Time The malfunction status repeats 10 times The malfunction status repeats 4 times or more
Trip Count 1 trip 1 trip

HINT: 

If the conditions match either of these patterns, a DTC will be output.