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P0483 — Cooling Fan Rationality Check

The cooling fan speed or operation doesn't match what the PCM commanded.

Severity: MediumRepair: $50-$600Difficulty: Medium

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Common symptoms of P0483

Common causes of P0483

Repair cost & difficulty

Typical cost to fix P0483: $50-$600 · Difficulty: Medium

Pro tip: Modern vehicles use variable-speed fans controlled by the PCM. Check fan speed sensor and control module.

Vehicles commonly affected

All makes with variable-speed fans

Related trouble codes

P0480P0481

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.