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Home >> Toyota >> 2021 >> RAV4 XLE, AWD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> 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

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.