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 MANUALSACURA2008MDXREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESVSA (VEHICLE STABILITY ASSIST) SYSTEM
2008 Acura MDX
VSA (Vehicle Stability Assist) System
2008 Acura MDXSECTION 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 Speed Sensor (Open/Short to Body Ground/Short to Power)
- DTC 12,14,16,18: Wheel Speed Sensor (Electrical Noise/Intermittent Interruption)
- DTC 21: Difference in Wheel Speed
- DTC 22: Current Flow Into Wheel Speed Sensor Input Amplifier
- DTC 25: Yaw Rate Sensor (Sensor Unit); DTC 26: Lateral/Longitudinal Acceleration Sensor (Sensor Unit)
- DTC 27: Steering Angle Sensor (Hardware)
- DTC 31, 32, 33, 34, 35, 36, 37, 38: ABS Solenoid
- DTC 45, 46, 47, 48: VSA Solenoid
- DTC 51: Motor Locked
- DTC 52: Motor Stuck OFF
- DTC 53: Motor Stuck ON
- DTC 54: Valve Relay
- DTC 59: BRKDIAG High
- DTC 61: IG1 Voltage Low
- DTC 62: IG1 Voltage High
- DTC 65: VSA Pressure Sensor (Hardware)
- DTC 66: VSA Pressure Sensor (Software)
- DTC 67: Brake Pedal Position Switch Stuck ON (Hardware)
- DTC 68: Brake Pedal Position Switch Stuck OFF (Software)
- DTC 69: BRKDIAG Low
- DTC 72: Steering Angle Sensor (Software)
- DTC 73: Yaw Rate Sensor (Power Supply)
- DTC 74: Yaw Rate Sensor (Software)
- DTC 75: Lateral/Longitudinal Acceleration Sensor (Joint Failure); DTC 76: Lateral/Longitudinal Acceleration Sensor (Software)
- DTC 81: Central Processing Unit (CPU)
- DTC 84: Steering Angle Sensor No Center Point Writing
- DTC 91: F-CAN Communication
- DTC 92: F-CAN System (Bus-off)
- DTC 97: VSA System
- Symptom Troubleshooting
- Steering Angle Sensor Replacement
- Steering Angle Sensor Center Point Writing
- Yaw Rate-Lateral/Longitudinal Acceleration Sensor Replacement
- VSA OFF Switch Test
- VSA Modulator-Control Unit Removal and Installation
- Wheel Speed 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.