According to NFPA, which transmission defect requires taking the vehicle out of service?

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Multiple Choice

According to NFPA, which transmission defect requires taking the vehicle out of service?

Explanation:
Out-of-service criteria focus on safety hazards that could worsen during operation. An automatic transmission that overheats in any range is a clear sign of a potentially catastrophic failure, so the vehicle must be taken out of service until it’s repaired. Heat buildup points to problems with lubrication, cooling, or internal components, and under load it can lead to transmission seizure or even a fire. That immediacy and risk is why this condition is the one that requires removing the vehicle from service. The other faults described—issues with shifting, mounts, or the neutral safety switch—are serious and require repair, but they don’t present the same immediate, clearly hazardous condition as overheating in any range.

Out-of-service criteria focus on safety hazards that could worsen during operation. An automatic transmission that overheats in any range is a clear sign of a potentially catastrophic failure, so the vehicle must be taken out of service until it’s repaired. Heat buildup points to problems with lubrication, cooling, or internal components, and under load it can lead to transmission seizure or even a fire. That immediacy and risk is why this condition is the one that requires removing the vehicle from service. The other faults described—issues with shifting, mounts, or the neutral safety switch—are serious and require repair, but they don’t present the same immediate, clearly hazardous condition as overheating in any range.

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