B1140 ACURA – Driver Side Power Window Position Detect Circuit Error

B1140 ACURA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1140 ACURA Possible Causes

Faulty Power Window Master Switch,Power Window Master Switch harness is open or shorted,Power Window Master Switch circuit poor electrical connection,Faulty Door Multiplex Control Unit

B1140 ACURA Description

The Door Multiplex Control Unit monitors the Driver Side Power Window Position. The Door Multiplex Control Unit sets the OBDII code when the Driver Side Power Window Position is not to factory specifications.