Vehicle Stability Assist System

• Component Location Index
• General Troubleshooting Information
  • System Indicator
    • Notes
    • ABS Indicator
    • Brake System Indicator
    • VSA Indicator
    • VSA OFF Indicator
  • Diagnostic Trouble Code (DTC)
  • Self-Diagnosis
  • Kickback
  • Pump Motor
  • Brake Fluid Replacement/Air Bleeding
  • How to Troubleshoot DTCs
  • Intermittent Failures
  • How to Use the HDS (Honda Diagnostic System)
  • How to Retrieve DTCs
  • How to Clear DTCs
• DTC Troubleshooting Index
• Symptom Troubleshooting Index
• System Description
  • VSA Modulator-Control Unit Inputs and Outputs for 36P Connector
  • System Outline
  • ABS (Anti-Lock Brake System) Features
    • Anti-Lock Control
    • Grip force of tire and road surface
    • Main Control
  • EBD (Electronic Brake Distribution) Features
  • TCS (Traction Control System) Features
  • VSA (Vehicle Stability Assist) System Features
    • Oversteer control
    • Understeer control
  • Brake Assist Features
  • Modulator Unit
• Circuit Diagram
• DTC Troubleshooting
  • DTC 11-11: Right-Front Wheel Speed Sensor Circuit Malfunction; DTC 13-11: Left-Front Wheel Speed Sensor Circuit Malfunction; DTC 15-11: Right-Rear Wheel Speed Sensor Circuit Malfunction; DTC 17-11: Left-Rear Wheel Speed Sensor Circuit Malfunction
  • DTC 11-12: Right-Front Wheel Speed Sensor Power Source Malfunction; DTC 13-12: Left-Front Wheel Speed Sensor Power Source Malfunction; DTC 15-12: Right-Rear Wheel Speed Sensor Power Source Malfunction; DTC 17-12: Left-Rear Wheel Speed Sensor Power Source Malfunction
  • DTC 12-11: Right-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption; DTC 14-11: Left-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption; DTC 16-11: Right-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption; DTC 18-11: Left-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
  • DTC 12-12: Right-Front Wheel Speed Sensor Short to the Other Sensor Circuit; DTC 14-12: Left-Front Wheel Speed Sensor Short to the Other Sensor Circuit; DTC 16-12: Right-Rear Wheel Speed Sensor Short to the Other Sensor Circuit; DTC 18-12: Left-Rear Wheel Speed Sensor Short to the Other Sensor Circuit
  • DTC 12-13: Right-Front Wheel Speed Sensor Installation Error; DTC 14-13: Left-Front Wheel Speed Sensor Installation Error; DTC 16-13: Right-Rear Wheel Speed Sensor Installation Error; DTC 18-13: Left-Rear Wheel Speed Sensor Installation Error
  • DTC 12-14: Right-Front Wheel Speed Sensor Installation Error; DTC 14-14: Left-Front Wheel Speed Sensor Installation Error; DTC 16-14: Right-Rear Wheel Speed Sensor Installation Error; DTC 18-14: Left-Rear Wheel Speed Sensor Installation Error
  • DTC 12-15: Right-Front Wheel Speed Sensor Installation Error; DTC 14-15: Left-Front Wheel Speed Sensor Installation Error; DTC 16-15: Right-Rear Wheel Speed Sensor Installation Error; DTC 18-15: Left-Rear Wheel Speed Sensor Installation Error
  • DTC 21-11: Right-Front Magnetic Encoder Malfunction (Pulse Missing); DTC 22-11: Left-Front Magnetic Encoder Malfunction (Pulse Missing); DTC 23-11: Right-Rear Magnetic Encoder Malfunction (Pulse Missing); DTC 24-11: Left-Rear Magnetic Encoder Malfunction (Pulse Missing)
  • DTC 25-11: Yaw Rate Sensor Internal Circuit Malfunction; DTC 104-13: Yaw Rate-Acceleration Sensor Internal Circuit Malfunction
  • DTC 25-12: Yaw Rate Sensor Stuck
  • DTC 25-13: Yaw Rate Sensor Output Signal Malfunction; DTC 26-13: Lateral Acceleration Sensor Output Signal Malfunction; DTC 28-13: Longitudinal Acceleration Sensor Output Signal Malfunction
  • DTC 26-11: Lateral Acceleration Sensor Internal Circuit Malfunction; DTC 28-11: Longitudinal Acceleration Sensor Internal Circuit Malfunction
  • DTC 26-12: Lateral Acceleration Sensor Stuck
  • DTC 27-12: Steering Angle Sensor Stuck; DTC 27-13: Steering Angle Sensor Output Signal Malfunction
  • DTC 27-15: Steering Angle Sensor Internal Circuit Malfunction
  • DTC 28-12: Longitudinal Acceleration Sensor Stuck
  • DTC 31-11: ABS Solenoid Valve Malfunction; DTC 32-11: ABS Solenoid Valve Malfunction; DTC 33-11: ABS Solenoid Valve Malfunction; DTC 34-11: ABS Solenoid Valve Malfunction; DTC 35-11: ABS Solenoid Valve Malfunction; DTC 36-11: ABS Solenoid Valve Malfunction; DTC 37-11: ABS Solenoid Valve Malfunction; DTC 38-11: ABS Solenoid Valve Malfunction
  • DTC 41-11: Right-Front Wheel Lock; DTC 42-11: Left-Front Wheel Lock; DTC 43-11: Right-Rear Wheel Lock; DTC 44-11: Left-Rear Wheel Lock
  • DTC 51-11: Motor Malfunction
  • DTC 51-12: Motor Drive Circuit Malfunction
  • DTC 52-11: Motor Stuck OFF
  • DTC 53-11: Motor Relay Stuck ON
  • DTC 54-11: Fail-Safe Relay Stuck ON; DTC 54-12: Fail-Safe Relay Stuck OFF
  • DTC 56-11: Fail-Safe Relay Power Source Malfunction
  • DTC 61-11: Modulator-Control Unit Power Source Circuit (IG) Low Voltage
  • DTC 62-11: Modulator-Control Unit Power Source Circuit (IG) High Voltage
  • DTC 64-11: Sensor Power Source Circuit Low Voltage; DTC 64-12: Sensor Power Source Circuit High Voltage
  • DTC 65-11: Brake Fluid Level Switch Circuit Malfunction
  • DTC 66-11: Pressure Sensor Circuit Malfunction; DTC 66-12: Pressure Sensor Malfunction; DTC 66-13: Pressure Sensor Malfunction
  • DTC 68-11: Brake Pedal Position Switch Stuck OFF
  • DTC 68-12: Brake Pedal Position Switch Stuck ON
  • DTC 71-11: Different Diameter Tire Malfunction (Right-Front or Left-Rear); DTC 71-12: Different Diameter Tire Malfunction (Left-Front or Right-Rear); DTC 71-13: Different Diameter Tire Malfunction (Right-Front and Right-Rear); DTC 71-14: Different Diameter Tire Malfunction (Left-Front and Left-Rear); DTC 71-15: Different Diameter Tire Malfunction (Right-Front and Left-Front); DTC 71-16: Different Diameter Tire Malfunction (Right-Rear and Left-Rear)
  • DTC 81-11: Modulator-Control Unit Internal Circuit Malfunction
  • DTC 81-12: Modulator-Control Unit Internal Circuit Malfunction
  • DTC 81-13: Modulator-Control Unit Internal Circuit Malfunction
  • DTC 81-15: Right-Front Wheel Speed Sensor Short to Power; DTC 81-16: Left-Front Wheel Speed Sensor Short to Power; DTC 81-17: Right-Rear Wheel Speed Sensor Short to Power; DTC 81-18: Left-Rear Wheel Speed Sensor Short to Power
  • DTC 83-11: PCM Malfunction (Engine); DTC 83-12: PCM Malfunction (ATT)
  • DTC 84-11: VSA Sensor Neutral Position Memorization Incomplete
  • DTC 86-11: F-CAN Bus-Off Malfunction
  • DTC 86-12: F-CAN Communication With PCM (Engine) Malfunction; DTC 86-13: F-CAN Communication With PCM (A/T) Malfunction
  • DTC 86-14: F-CAN Communication With Gauge Control Module Malfunction
  • DTC 86-15: F-CAN Communication With Yaw Rate-Acceleration Sensor Malfunction
  • DTC 86-16: F-CAN Communication With SH-AWD Control Unit Malfunction
  • DTC 86-17: F-CAN Communication With ACC Unit Malfunction
  • DTC 86-19: F-CAN Communication With Steering Angle Sensor Malfunction
  • DTC 104-11: Yaw Rate-Acceleration Sensor Internal Circuit Malfunction
  • DTC 104-12: Yaw Rate-Acceleration Sensor Power Source Malfunction
  • DTC 108-11: Steering Angle Sensor Stuck
  • DTC 121-11: VSA Solenoid Valve Malfunction; DTC 122-11: VSA Solenoid Valve Malfunction; DTC 123-11: VSA Solenoid Valve Malfunction; DTC 124-11: VSA Solenoid Valve Malfunction
  • DTC 158-01: ECU Software Update Failure
• Symptom Troubleshooting
  • VSA OFF switch does not work
  • ABS indicator, brake system indicator, and VSA indicator do not go off
• Steering Angle Sensor Replacement
• Yaw Rate-Acceleration Sensor Replacement
• VSA Sensor Neutral Position Memorization
• VSA Off Switch Test/Replacement
• VSA Modulator-Control Unit Update
• VSA Modulator-Control Unit Removal and Installation
  • Notes
  • Removal
  • Installation
• Wheel Speed Sensor Inspection
  • Notes
  • Front
  • Rear
• Wheel Speed Sensor Replacement
  • Front
  • Rear
• SUPPLEMENTAL RESTRAINT SYSTEM (SRS) (If body maintenance is required)