B18E3–POWER LIFTGATE FRONT ZONE SWITCH CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W


  • When Monitored:

    Whenever the Power Liftgate Module is awake.

  • Set Condition:

    When the Power Liftgate Module senses a voltage of less than 2.0 volts on the (G25) Liftgate Switch Sense circuit for longer than 10 seconds, this code will set.


Possible Causes
 
(G25) LIFTGATE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
(G25) LIFTGATE SWITCH SENSE CIRCUIT SHORT TO THE (Q901) LOGIC GROUND CIRCUIT
 
LIFTGATE (OVERHEAD) SWITCH
 
POWER LIFTGATE MODULE
 




Diagnostic Test

1.DTC PRESENT







Does the scan tool display B18E3–POWER LIFTGATE FRONT ZONE SWITCH CIRCUIT LOW?

Yes
  • Go To 2


No

2.LIFTGATE RELEASE SWITCH SHORTED


NOTE: Vehicles equipped with a sunroof have the Power Liftgate Switch integrated into the Sunroof Switch Assembly. The graphic shows switch connectors for vehicles with and without sunroof.







Does the scan tool display B18E3–POWER LIFTGATE FRONT ZONE SWITCH CIRCUIT LOW?

Yes
  • Go To3


No

3.(G25) LIFTGATE SWITCH SENSE CIRCUIT SHORT TO THE (Q901) LOGIC GROUND CIRCUIT





Is the resistance below 10000.0 ohms?

Yes
  • Go To3


No

4.(G25) LIFTGATE SWITCH SENSE CIRCUIT SHORT TO GROUND





Is the resistance below 10000.0 ohms?

Yes


No