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U0164 — Lost Communication with HVAC Control Module

Communication lost with HVAC module.

Severity: LowRepair: $100-$800Difficulty: Medium

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Common symptoms of U0164

Common causes of U0164

Repair cost & difficulty

Typical cost to fix U0164: $100-$800 · Difficulty: Medium

Pro tip: Check fuses first. HVAC module is often integrated into the climate control panel.

Vehicles commonly affected

All makes

Related trouble codes

U0140

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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.