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.
1996 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System
- Description
- Operation
- Bleeding Brake System
- Diagnosis
- Symptom Diagnostic Charts
- Diagnostic Trouble Code Charts
- DTC 21 & DTC 25 - Front Wheel Speed Sensor Circuit Fault
- DTC 23, DTC 27 & DTC 37 - Wheel Speed Sensor Continuity Fault
- DTC 28 - Wheel Speed Sensor Frequency Error
- DTC 35 - Rear Wheel Speed Sensor Circuit Fault
- DTC 41, DTC 45 & DTC 55 - Right Front, Left Front & Rear Inlet Valve Solenoid Fault
- DTC 42, DTC 46 & DTC 56 - Right Front, Left Front & Rear Outlet Valve Solenoid Fault
- DTC 61 - Bpm Valve Pump Motor Fault
- DTC 63 - Valve Power Supply Fault
- DTC 71 - EBCM Fault
- DTC 85 - Low Voltage
- Removal & Installation
- Adjustments
- Torque Specifications
- Wiring Diagram
Factory Service Tools
Use the Manual With the Right Hardware
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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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