DTC 25-21: Yaw Rate Sensor (Inside of Modulator-Control Unit) Output Signal Malfunction

• No other DTCs detected

Operating Condition:

• 1. Start the engine.
• 2. Test-drive the vehicle at 31 mph (50 km/h) or more and change lanes a few times.

  (Be careful of the surrounding traffic conditions.)

• 1 drive cycle
• VSA indicator on
• Brake system indicator (amber) on

• Degrade ABS performance
• Stop VSA function
• Stop TCS function (Fade out)
• Stop hill start assist function
• Stop agile handling assist function

• VSA modulator-control unit internal failure (Yaw rate-acceleration sensor internal circuit)