B18DE Code: Meaning, Causes, and Symptoms | OBD2 Codes

B18DE – Power Liftgate Handle Switch Circuit Low

 

B18DE Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B18DE Possible Causes

 

Faulty Power Liftgate Handle Switch,Power Liftgate Handle Switch harness is open or shorted,Power Liftgate Handle Switch circuit poor electrical connection,Faulty Power Liftgate Module

 

B18DE Description

 

The Power Liftgate Module monitors the Power Liftgate Handle Switch Circuit. When the Power Liftgate Module senses a voltage of less than 2.0 volts on the Liftgate Handle Switch Sense circuit for longer than 20 seconds this code will set.