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U0305 — Software Incompatibility with TCM

PCM and TCM software versions are not compatible.

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

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Common symptoms of U0305

Common causes of U0305

Repair cost & difficulty

Typical cost to fix U0305: $100-$500 · Difficulty: Advanced

Pro tip: Both PCM and TCM may need compatible software versions. Dealer-level tool usually required.

Vehicles commonly affected

All makes

Related trouble codes

U0101

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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.