B1893–POWER LIFTGATE CONTROL CIRCUIT 2 OPEN





For a complete wiring diagram Refer to Section 8W


  • When Monitored:

    Whenever the Power Liftgate is power closing.

  • Set Condition:

    When the Power Liftgate Module does not sense current on the (Q89) Liftgate Close Driver circuit and there is no liftgate movement, this code will set. It is also possible for this code to set if the liftgate has been run several times and the internal circuit breaker (Thermo Protection Device) in the drive unit has opened up.


Possible Causes
 
(Q89) LIFTGATE CLOSE DRIVER CIRCUIT OPEN
 
(Q88) LIFTGATE OPEN DRIVER CIRCUIT OPEN
 
POWER LIFTGATE DRIVE UNIT
 
POWER LIFTGATE MODULE
 




Diagnostic Test

1.DTC PRESENT







Does the scan tool display B1893–POWER LIFTGATE CONTROL CIRCUIT 2 OPEN?

Yes
  • Go To 2.


No

2.POWER LIFTGATE MODULE







Is the resistance approximately 4.3 ohms?

No
  • Go To 3.


Yes

3.(Q89) LIFTGATE CLOSE DRIVER CIRCUIT OPEN






Is the resistance below 5.0 ohms?

No


Yes
  • Go to 4.

4.(Q88) LIFTGATE OPEN DRIVER CIRCUIT OPEN





Is the resistance below 5.0 ohms?

No


Yes