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Diagnose/U0160
U0160Low SeverityBody

Lost Communication with HVAC Control Module

What This Means

The vehicle's CAN bus network has lost communication with the HVAC Control Module. This means other modules cannot exchange data with this module, which may disable related systems.

Common Symptoms

  • HVAC Control Module functions disabled
  • Warning lights on
  • Communication fault during diagnostics
  • Related systems inoperative

Common Causes

  • Failed HVAC Control Module
  • CAN bus wiring damage
  • Corroded network connector
  • Power/ground issue to module
  • Water intrusion

Estimated Repair Cost

$150 – $1000
Parts and labor (varies by vehicle and location)
Difficulty:Professional

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.