B1273 - Servo Motor Potentiometer Vent Circuit Open

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

  • Faulty Servo Motor Potentiometer Vent
  • Servo Motor Potentiometer Vent harness is open or shorted
  • Servo Motor Potentiometer Vent circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Module

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1273 Description

The Heating, Ventilation, and Air Conditioning (HVAC) Module monitors the Servo Motor Potentiometer Vent. The HVAC Module sets the OBDII code when the Servo Motor Potentiometer Vent is not to factory specifications.
OBDII Code B1273 - Servo Motor Potentiometer Vent Circuit Open - AutoCodes.com

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B1273 Comments

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