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 MANUALSCHEVROLET1995BLAZER 4D UTILITY, AWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM - WITH VCM
1995 Chevrolet Blazer 4D Utility, AWD
Anti-Lock Brake System - With VCM
1995 Chevrolet Blazer 4D Utility, AWDSECTION Anti-Lock Brake System - With VCM
- Model Application
- Model Identification
- Description
- Bleeding Brake System
- Diagnosis
- Diagnostic Charts
- Notes
- Code 21 Or 25 - Front Wheel Sensor Or Circuit Is Open
- Code 22 Or 26 - Front Wheel Speed Signal Is Missing
- Code 23 Or 27 - Front Wheel Sensor Is Erratic
- Code 29 - Both Front Wheel Speed Signals Missing
- Code 36 - Rear Speed Sensor Signal Missing
- Code 37 - Erratic Vehicle Speed Sensor Signal
- Code 38 - Wheel Speed Sensor Error
- Code 41, 45 Or 51 - Isolation Solenoid CKT Or Solenoid Open
- Code 42, 46 Or 52 - PWM Solenoid Circuit Or Solenoid Open
- Code 43, 47 Or 53 - Isolation Solenoid CKT Or Solenoid Shorted
- Code 44, 48 Or 54 - PWM Solenoid Circuit Or Solenoid Shorted
- Code 64 Or 69 - Low System Voltage
- Code 65 - Pump Motor Relay Or Circuit Open
- Code 66 - Pump Motor Relay Or Circuit Shorted
- Code 67 - Open Motor Circuit Or Shorted VCM Output
- Code 68 - Locked Pump Motor Or Shorted Motor Circuit
- Code 74 - Excessive Isolation Time
- Code 75 - VCM History Memory Error
- Code 81 - Brake Switch Circuit
- Code 86 - Anti-Lock Light Fault
- Trouble Shooting Charts
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
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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.