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.
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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 128 (VSA (VEHICLE STABILITY ASSIST) SYSTEM COMPONENTS)
2002 Honda Civic Si
Section 128 (VSA (Vehicle Stability Assist) System Components)
2002 Honda Civic SiSECTION Section 128 (VSA (Vehicle Stability Assist) System Components)
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
- Component Location Index
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Circuit Diagram
- DTC
- DTC Troubleshooting
- DTC 11, 13, 15, 17: Wheel Sensor (Short to Power/Short to Body Ground/Open)
- DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/Intermittent Interruption)
- DTC 21, 22, 23, 24: Magnetic Encoder
- DTC 25: Yaw Rate Sensor: DTC 26: Lateral Acceleration Sensor: DTC 104: Sensor Cluster
- DTC 27: Steering Angle Sensor
- DTC 31, 32, 33, 34, 35, 36, 37, 38: ABS Solenoid
- DTC 51: Motor Lock: DTC 52: Motor Stuck OFF
- DTC 54: Fail-safe Relay
- DTC 61, 62: High/Low +B-FSR Voltage
- DTC 64: Sensor Power Voltage
- DTC 65: Brake Fluid Level
- DTC 66: VSA Pressure Sensor (Inside of VSA Modulator-Control Unit)
- DTC 68: Brake Pedal Position Switch
- DTC 81: Central Processing Unit (CPU)
- DTC 83: PCM Communication
- DTC 84: VSA Sensor Neutral Position
- DTC 86: F-CAN Communication
- DTC 91: VSA Operation
- DTC 105: Hydraulic Unit Temperature Sensor
- DTC 121, 122, 123, 124: VSA Solenoid
- ABS Indicator Circuit Troubleshooting
- Brake System Indicator Circuit Troubleshooting
- VSA Indicator Circuit Troubleshooting
- VSA Activation Indicator Circuit Troubleshooting
- Steering Angle Sensor Replacement
- Sensor Cluster Replacement
- VSA Sensor Neutral Position Memorization
- VSA Off Switch Test
- VSA Modulator-Control Unit Removal and Installation
- Wheel Sensor Inspection
- Wheel Sensor Replacement
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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.