B1270 - Servo Motor Potentiometer Defrost Circuit Short To Battery

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

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

Possible symptoms

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

B1270 Description

The Heating, Ventilation, and Air Conditioning (HVAC) Module monitors the Servo Motor Potentiometer Defrost. The HVAC Module sets the OBDII code when the Servo Motor Potentiometer Defrost is not to factory specifications.
OBDII Code B1270 - Servo Motor Potentiometer Defrost Circuit Short To Battery - AutoCodes.com

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B1270 Comments

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