DTC P1575 Warning Buzzer Malfunction

DESCRIPTION

DTC Code	DTC Detection Condition	Trouble Area
P1575	The vehicle speed is 50 km/h (30 mph) or more with the cruise control main switch on (vehicle-to-vehicle distance control mode) and the approach warning buzzer malfunctions.	Vehicle stability control system ECM

This DTC code may be output under the vehicle stability control system at the same time. In that case, perform troubleshooting for the vehicle stability control system first.

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (BUZZER)

Using the intelligent tester, perform the Active Test ().

ABS/VSC/TRAC
Tester Display	Test Part	Control Range	Diagnostic Note
Buzzer	Skid control buzzer sounds	OFF or ON	-

NG

GO TO VEHICLE STABILITY CONTROL SYSTEM (Skid Control Buzzer Circuit) ()

OK

2.CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

Using the intelligent tester, enter the following menus: Powertrain / Radar Cruise / Trouble Code.

Clear the DTCs ().

Perform the following to make sure the DTC detection conditions are met.

If the detection conditions are not met, the system cannot detect the malfunction.

Drive the vehicle at a speed of 50 km/h (30 mph) or more.

Turn the cruise control main switch on to set the vehicle-to-vehicle distance control mode to the standby state.

Check for DTCs ().

B

REPLACE ECM ()

C

REPLACE ECM ()

A

USE SIMULATION METHOD TO CHECK ()