Lexus NX: EPB High Temperature (C13AA)
			
			
			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:   
Electric parking brake is operating
Lock and release operations are performed without 2 second interval 10 times; or lock and release operations are performed without 2 second interval 5 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. | 
 
 PROCEDURE
   | 1.  | ELECTRIC PARKING BRAKE OVERHEAT | 
 
 (a) With the overheat warning displayed, wait for approximately 1 minute.
 (b) Check if the overheat warning has disappeared.
  HINT:
  - 
Check the display after turning the power switch off and on (IG).
- 
If the display returns to normal and the electric parking brake can be operated, clear the DTC.
  Chassis > Electric Parking Brake > Clear DTCs 
  | NEXT | .gif)  | END | 
 
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   DESCRIPTION The parking brake ECU assembly is supplied with power to operate the motor via the +B and +B2 terminals.    DTC No.   Detection Item   DTC Detection Condition   Trouble Area   Memory   Not
   
   
 
	
   DESCRIPTION    DTC No.   Detection Item   DTC Detection Condition   Trouble Area   Memory   Note     C13AE   System Information not Received   Both of following conditions are met:   
Power switch is 
   
   
 
	
   DESCRIPTION The parking brake ECU assembly communicates with the hybrid vehicle control ECU, skid control ECU (brake booster with master cylinder assembly) and deceleration sensor (airbag ECU assembly
   
   
 
   SEE MORE:
	
   OPERATION CHECK CHECK BASIC FUNCTIONS (a) When the back door is partially closed, check that the motor operates to fully close (lock) the back door. (b) Check that the back door can be opened. (c) When the back door is partially closed and then the motor starts normal operation, push the back door o
   
   
 
	
   DTC CHECK / CLEAR CHECK DTC AND FREEZE FRAME DATA (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG) and the Techstream on. (d) Enter the following menus: Chassis / Electric Parking Brake / Trouble Codes. (e) Check for DTC. Chassis > Electric 
   
   
 
 
	 
	
	
		
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