VSA (Vehicle Stability Assist) System

• Component Location Index
• General Troubleshooting Information
  • System Indicator
    • Notes
    • ABS Indicator
    • Brake System Indicator
    • VSA Indicator
    • VSA Activation 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 37P Connector
  • System Outline
  • ABS Features
    • Anti-lock control
    • Grip force of tire and road surface
    • Main Control
  • EBD Features
  • TCS Features
  • VSA System Features
    • Oversteer control
    • Under steer control
  • Brake Assist Features
  • Modulator Unit
• Circuit Diagram
• DTC Troubleshooting
  • DTC 11-13: Right-front Wheel Sensor Circuit Malfunction; DTC 13-13: Left-front Wheel Sensor Circuit Malfunction; DTC 15-13: Right-rear Wheel Sensor Circuit Malfunction; DTC 17-13: Left-rear Wheel Sensor Circuit Malfunction
  • DTC 12-11: Right-front Wheel Sensor Electrical Noise or Intermittent Interruption; DTC 14-11: Left-front Wheel Sensor Electrical Noise or Intermittent Interruption; DTC 16-11: Right-rear Wheel Sensor Electrical Noise or Intermittent Interruption; DTC 18-11: Left-rear Wheel Sensor Electrical Noise or Intermittent Interruption
  • DTC 12-12: Right-front Wheel Sensor Short to the Other Sensor Circuit; DTC 14-12: Left-front Wheel Sensor Short to the Other Sensor Circuit; DTC 16-12: Right-rear Wheel Sensor Short to the Other Sensor Circuit; DTC 18-12: Left-rear Wheel Sensor Short to the Other Sensor Circuit
  • DTC 12-21: Right-front Wheel Sensor Installation Error; DTC 14-21: Left-front Wheel Sensor Installation Error; DTC 16-21: Right-rear Wheel Sensor Installation Error; DTC 18-21: Left-rear Wheel Sensor Installation Error
  • DTC 12-22: Right-front Wheel Sensor Installation Error (19 mph (30 km/h) or more); DTC 14-22: Left-front Wheel Sensor Installation Error (19 mph (30 km/h) or more); DTC 16-22: Right-rear Wheel Sensor Installation Error (19 mph (30 km/h) or more); DTC 18-22: Left-rear Wheel Sensor Installation Error (19 mph (30 km/h) or more)
  • DTC 12-23: Right-front Wheel Sensor Installation Error (0 to 9 mph (0 to 15 km/h)); DTC 14-23: Left-front Wheel Sensor Installation Error (0 to 9 mph (0 to 15 km/h)); DTC 16-23: Right-rear Wheel Sensor Installation Error (0 to 9 mph (0 to 15 km/h)); DTC 18-23: Left-rear Wheel Sensor Installation Error (0 to 9 mph (0 to 15 km/h))
  • 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 Pulser Malfunction (Pulse Missing); DTC 24-11: Left-rear Pulser Malfunction (Pulse Missing)
  • DTC 25-11: Yaw Rate Sensor Internal Circuit Malfunction (Initial); DTC 25-12: Yaw Rate Sensor Internal Circuit Malfunction (Open, Short)
  • DTC 25-21: Yaw Rate Sensor Neutral Position Malfunction
  • DTC 25-22: Yaw Rate Sensor Stuck
  • DTC 25-23: Yaw Rate Sensor Circuit Intermittent Interruption
  • DTC 25-24: Yaw Rate Sensor Gain Low; DTC 25-25: Yaw Rate Sensor Gain High; DTC 26-24: Lateral Acceleration Sensor Gain Low; DTC 26-25: Lateral Acceleration Sensor Gain High
  • DTC 26-11: Lateral Acceleration Sensor Internal Circuit Malfunction (Initial); DTC 26-12: Lateral Acceleration Sensor Internal Circuit Malfunction (Open, Short)
  • DTC 26-21: Lateral Acceleration Sensor Neutral Position Malfunction; DTC 26-23: Lateral Acceleration Sensor Circuit Intermittent Interruption
  • DTC 26-22: Acceleration Sensor Stuck
  • DTC 27-11: Steering Angle Sensor DIAG Signal Error (Initial); DTC 27-26: Steering Angle Sensor DIAG Signal Error (Main)
  • DTC 27-21: Steering Angle Sensor Stuck Neutral Position; DTC 27-22: Steering Angle Sensor Stuck Offset Position
  • DTC 27-23: Steering Angle Sensor Counter Malfunction
  • DTC 27-24: Steering Angle Sensor Exchange Malfunction
  • DTC 31-xx*: ABS Right-front Inlet Solenoid Valve Malfunction; DTC 32-xx*: ABS Right-front Outlet Solenoid Valve Malfunction; DTC 33-xx*: ABS Left-front Inlet Solenoid Valve Malfunction; DTC 34-xx*: ABS Left-front Outlet Solenoid Valve Malfunction; DTC 35-xx*: ABS Right-rear Inlet Solenoid Valve Malfunction; DTC 36-xx*: ABS Right-rear Outlet Solenoid Valve Malfunction; DTC 37-xx*: ABS Left-rear Inlet Solenoid Valve Malfunction; DTC 38-xx*: ABS Left-rear Outlet Solenoid Valve Malfunction
  • DTC 41-21: Right-front Wheel Lock; DTC 42-21: Left-front Wheel Lock; DTC 43-21: Right-rear Wheel Lock; DTC 44-21: Left-rear Wheel Lock
  • DTC 51-11: Motor Lock; DTC 51-13: Motor Relay OFF Malfunction
  • DTC 51-12: Motor Lock Circuit Malfunction
  • DTC 52-12: Motor Stuck OFF
  • DTC 53-01: Motor Relay Stuck ON 1; DTC 53-12: Motor Relay Stuck ON 2
  • DTC 54-03: Fail-safe Relay 1 Stuck ON; DTC 54-04: Fail-safe Relay 1 Stuck OFF (Initial); DTC 54-21: Fail-safe Relay 1 Stuck OFF (Main)
  • DTC 56-01: Initial VIG FET Stuck OFF; DTC 56-02: Initial VIG FET Stuck ON; DTC 56-11: VIG FET Stuck OFF
  • DTC 61-01: VSA Modulator-control Unit Initial IG Low Voltage; DTC 61-21: VSA Modulator-control Unit Power Source Low Voltage 1; DTC 61-22: VSA Modulator-control Unit Power Source Low Voltage 2; DTC 61-23: VSA Modulator-control Unit Power Source Low Voltage 3
  • DTC 62-21: VSA Modulator-control Unit IG High Voltage
  • DTC 64-11: Steering Angle Sensor Power Circuit Short
  • DTC 64-12: Steering Angle Sensor Power Circuit Open
  • DTC 65-21: Brake Fluid Level Stuck ON
  • DTC 66-11: Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction; DTC 66-12: Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction; DTC 66-13: Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction; DTC 66-14: Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction; DTC 66-16: Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction
  • DTC 66-15: Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction
  • DTC 68-21: Brake Pedal Position Switch Stuck OFF
  • DTC 68-22: Brake Pedal Position Switch Stuck ON
  • DTC 71-21: Right-front or Left-rear Different Diameter Tire Malfunction; DTC 71-22: Left-front or Right-rear Different Diameter Tire Malfunction; DTC 71-23: Right-front and Right-rear Different Diameter Tire Malfunction; DTC 71-24: Left-front and Left-rear Different Diameter Tire Malfunction; DTC 71-25: Right-front and Left-front Different Diameter Tire Malfunction; DTC 71-26: Right-rear and Left-rear Different Diameter Tire Malfunction; DTC 71-27: Right-front or Left-rear Different Diameter Tire Malfunction; DTC 71-28: Left-front or Right-rear Different Diameter Tire Malfunction; DTC 71-29: Right-front and Right-rear Different Diameter Tire Malfunction; DTC 71-2A: Left-front and Left-rear Different Diameter Tire Malfunction; DTC 71-2B: Right-front and Left-front Different Diameter Tire Malfunction; DTC 71-2C: Right-rear and Left-rear Different Diameter Tire Malfunction
  • DTC 81-XX*: Central Processing Unit (CPU) Internal Circuit Malfunction
  • DTC 81-11: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-52: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-54: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-56: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-58: Central Processing Unit (CPU) Internal Circuit Malfunction
  • DTC 81-51: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-53: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-55: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-57: Central Processing Unit (CPU) Internal Circuit Malfunction
  • DTC 81-3D: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-3E: Central Processing Unit (CPU) Internal Circuit Malfunction; DTC 81-59: Central Processing Unit (CPU) Internal Circuit Malfunction
  • DTC 83-13: ECM/PCM Communication Error; DTC 83-14: ECM/PCM Communication Error
  • DTC 84-21: VSA Sensor Neutral Position Not Writing
  • DTC 86-01: F-CAN Bus-off Malfunction
  • DTC 86-11: F-CAN Communication With ECM/PCM Malfunction; DTC 86-21: F-CAN Communication With Engine Malfunction; DTC 86-22: F-CAN Communication With Engine Malfunction; DTC 86-23: F-CAN Communication With Engine Malfunction; DTC 86-41: F-CAN Communication With EAT Malfunction
  • DTC 86-31: F-CAN Communication With Gauge Control Module Malfunction
  • DTC 107-22: Central Processing Unit (CPU) Internal Circuit Malfunction
  • DTC 108-21: Steering Angle Sensor Malfunction
  • DTC 112-01: Central Processing Unit (CPU) Internal Circuit Malfunction
  • DTC 121-xx*: VSA Solenoid Valve Malfunction; DTC 122-xx*: VSA Solenoid Valve Malfunction; DTC 123-xx*: VSA Solenoid Valve Malfunction; DTC 124-xx*: VSA Solenoid Valve Malfunction
• Symptom Troubleshooting
  • ABS indicator or VSA indicator does not go off, and no DTCs are stored
    • Notes
    • Brake system indicator does not go off, and no DTCs are stored
  • VSA activation indicator does not go off, and no DTCs are stored
  • ABS indicator, brake system indicator, and VSA indicator do not go off at the same time
• Steering Angle Sensor Replacement
• Yaw Rate-Lateral Acceleration Sensor Replacement
• VSA Sensor Neutral Position Memorization
• VSA OFF Switch Test
• VSA Modulator-Control Unit Removal and Installation
  • Notes
  • Removal
  • Installation
• Wheel Sensor Replacement
  • Front
  • Rear