U1178 FORD - Invalid or Missing Data For Climate Control

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Heating, Ventilation, and Air-Conditioning (HVAC) Module
  • Heating, Ventilation, and Air-Conditioning (HVAC) Module harness is open or shorted
  • Heating, Ventilation, and Air-Conditioning (HVAC) Module circuit poor electrical connection
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U1178 Ford Description

    The Powertrain Control Module (PCM) monitors the Heating, Ventilation, and Air-Conditioning (HVAC) Module. The PCM sets the OBDII code when the Heating, Ventilation, and Air-Conditioning (HVAC) Module is not to factory specifications.
    OBDII Code U1178 Ford - Invalid or Missing Data For Climate Control - AutoCodes.com

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