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 MANUALSCHEVROLET1995FORWARD CONTROL 7.4 NREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 5.7LTROUBLE CODE CHARTSDTC 16: VSS BUFFER FAULTNOTES
1995 Chevrolet Forward Control 7.4 N
DTC 16: VSS Buffer Fault: Notes
1995 Chevrolet Forward Control 7.4 NSECTION Notes
NOTE:
Test number refers to number on diagnostic chart.
- Checks for battery voltage at VSS buffer.
- Tests for proper ground path for VSS buffer
- Tests for vss buffer signal to control module
- Tests for faulty connections and a faulty VSS buffer
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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.