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P0602 — Control Module Programming Error

PCM programming is incorrect or corrupted.

Severity: HighRepair: $100-$500Difficulty: Advanced

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Common symptoms of P0602

Common causes of P0602

Repair cost & difficulty

Typical cost to fix P0602: $100-$500 · Difficulty: Advanced

Pro tip: PCM may need to be reprogrammed (reflashed) at a dealer. Usually $100-200 for the reflash.

Vehicles commonly affected

All makes

Related trouble codes

P0600P0601

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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.