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 MANUALSACURA2007TSX AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLVSA (VEHICLE STABILITY ASSIST) SYSTEM
2007 Acura TSX Automatic
VSA (Vehicle Stability Assist) System
2007 Acura TSX AutomaticSECTION VSA (Vehicle Stability Assist) System
- Component Location Index
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Circuit Diagram
- DTC Troubleshooting
- DTC 11, 13, 15, 17: Wheel Sensor (Open/Short to Body Ground/Short to Power)
- DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/Intermittent Interruption)
- DTC 21, 22: Magnetic Encoder (Wheel Bearing); DTC 23, 24: Magnetic Encoder (Hub Bearing Unit)
- DTC 25: Yaw Rate Sensor
- DTC 26: Lateral Acceleration Sensor
- DTC 27: Steering Angle Sensor
- DTC 31, 32, 33, 34, 35, 36, 37, 38: ABS Solenoid
- DTC 41,42,43,44: Wheel Lock
- DTC 51: Motor Lock; DTC 52: Motor Stuck OFF
- DTC 53: Motor Stuck ON
- DTC 54: Fail-safe Relay
- DTC 61: Low +B-FSR Voltage; DTC 62: High +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 71: Different Diameter Tire
- DTC 81: Central Processing Unit (CPU)
- DTC 83: ECM/Pcm
- DTC 84: VSA Sensor Neutral Position
- DTC 86: F-CAN Communication
- DTC 107: TCS Operation; DTC 108: VSA Operation
- DTC 112: Internal Power Source Stuck OFF
- DTC 121,122,123,124: VSA Solenoid
- Symptom Troubleshooting
- ABS indicator does not come on
- Notes
- ABS indicator does not go off, and no DTCs are stored
- Brake system indicator does not come on
- Brake system indicator does not go off, and no DTCs are stored
- VSA indicator does not come on
- VSA indicator does not go off, and no DTCs are stored
- VSA activation indicator does not come on at start-up (bulb check)
- VSA activation indicator does not go off, and no DTCs are stored
- ABS indicator does not come on
- 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
- 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.