B1285 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1285 – Servo Motor Potentiometer Air Intake Left Circuit Open

 

B1285 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1285 Possible Causes

 

Faulty Servo Motor Potentiometer Air Intake,Servo Motor Potentiometer Air Intake harness is open or shorted,Servo Motor Potentiometer Air Intake circuit poor electrical connection

 

B1285 Description

 

The Heating, Ventilation, and Air Conditioning (HVAC) Module monitors the Servo Motor Potentiometer Air Intake. The HVAC Module sets the OBDII code when the Servo Motor Potentiometer Air Intake is not to factory specifications.