Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Honda Insight BaseFACTORY OEM SERVICE PROCEDURE
VSA System Components
- Component Location Index
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- VSA Modulator-Control Unit Inputs and Outputs for 47P Connector
- System Outline
- ABS (Anti-lock Brake System) Features
- EBD (Electronic Brake Distribution) Features
- TCS (Traction Control System) Features
- VSA (Vehicle Stability Assist) System Features
- Brake Assist Features
- Creep Aid System (CAS) Features
- Hill Start Assist (HSA) Features
- Modulator Unit
- Circuit Diagram
- DTC Troubleshooting
- DTC 11: Right-Front Wheel Speed Sensor Circuit Malfunction; DTC 13: Left-Front Wheel Speed Sensor Circuit Malfunction; DTC 15: Right-Rear Wheel Speed Sensor Circuit Malfunction; DTC 17: Left-Rear Wheel Speed Sensor Circuit Malfunction
- DTC 12: Right-Front Wheel Speed Sensor Signal Malfunction; DTC 14: Left-Front Wheel Speed Sensor Signal Malfunction; DTC 16: Right-Rear Wheel Speed Sensor Signal Malfunction; DTC 18: Left-Rear Wheel Speed Sensor Signal Malfunction
- DTC 21: Right-Front Magnetic Encoder Malfunction; DTC 22: Left-Front Magnetic Encoder Malfunction; DTC 23: Right-Rear Magnetic Encoder Malfunction; DTC 24: Left-Rear Magnetic Encoder Malfunction
- DTC 25: Yaw Rate Sensor Malfunction; DTC 26: Lateral Acceleration Sensor Malfunction; DTC 28: Longitudinal Acceleration Sensor Malfunction; DTC 104: Yaw Rate-Acceleration Sensor Malfunction
- DTC 27: Steering Angle Sensor Malfunction
- DTC 31, 32, 33, 34, 35, 36, 37, 38: ABS Solenoid Valve Malfunction
- DTC 51: Motor Lock; DTC 52: Motor Stuck
- DTC 54: Fail-Safe Relay Malfunction
- DTC 61: Battery Voltage Low; DTC 62: Battery Voltage High
- DTC 64: Sensor Power Source Voltage Malfunction
- DTC 65: Brake Fluid Level Low
- DTC 66: Pressure Sensor Malfunction
- DTC 68: Brake Pedal Position Switch Malfunction
- DTC 81: Modulator-Control Unit Internal Circuit Malfunction
- DTC 83: PGM-FI Malfunction
- DTC 84: VSA Sensor Neutral Position Not Written
- DTC 86: F-CAN Communication Malfunction
- DTC 91: VSA Activation Time Too Long
- DTC 105: Hydraulic Unit Temperature Sensor Malfunction
- DTC 117: VSA OFF Switch Malfunction
- DTC 121: VSA Solenoid Valve Malfunction; DTC 122: VSA Solenoid Valve Malfunction; DTC 123: VSA Solenoid Valve Malfunction; DTC 124: VSA Solenoid Valve Malfunction
- DTC 158: ECU Software Update Failure
- Symptom Troubleshooting
- 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
- Wheel Speed Sensor Replacement
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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