TEST ACTION APPLICABILITY
14 Disconnect the Power Liftgate Module C2 connector.
NOTE: The Liftgate Ajar Switch Sense circuit is also the Ratchet Switch
Sense circuit for the liftgate.
Measure the resistance between the Ground circuit and the Liftgate Ajar Switch
Sense circuit.
Open the Liftgate completely.
Using a screwdriver, close the latch to the second detent while observing the
ohmmeter.
Release the latch with the handle. Repeat this step while observing the ohmmeter.
Did the resistance change from below 15 ohms to above 1000.0 ohms when the latch
changed states?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 15
15 Disconnect the Power Liftgate C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Ground wire between the PLG C2 connector (cavity 20)
and the Liftgate Cinch/Release Motor connector (cavity 1).
Wiggle the harness while observing the ohmmeter.
Is the resistance below 5.0 ohms?All
Ye s®Go To 16
No®Repair the Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
16 Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Ajar Switch Sense wire between the Power
Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 17
No®Repair the Liftgate Ajar Switch Sense wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
17 If there are no possible causes remaining, view repair. All
Repair
Replace the Liftgate Cinch Release Motor.
Perform BODY VERIFICATION TEST - VER 1.
18 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Liftgate Latch Cinch Driver circuit and the
Liftgate Latch Release Driver circuit.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 2.0 ohms?All
Ye s®Go To 19
No®Go To 21
806
POWER DOORS - LIFTGATE
INCOMPLETE POWER OPEN - LATCH FAILURE ÐContinued
TEST ACTION APPLICABILITY
19 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Ground circuit and the Liftgate Latch Cinch
Driver circuit.
Wiggle the harness and check for an intermittent short to the Ground circuit
condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Latch Cinch Driver circuit for a short to the
Ground circuit. This could be the Liftgate Latch Cinch Driver or
Liftgate Latch Release Driver or the motor itself.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 20
20 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Latch Cinch Driver circuit.
Wiggle the harness and check for an intermittent short to ground condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Latch Cinch Driver circuit for a short to
ground. This could be the Liftgate Latch Cinch Driver or Liftgate
Latch Release Driver or the motor itself.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Liftgate Cinch Release Motor.
Perform BODY VERIFICATION TEST - VER 1.
21 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Cinch Driver circuit between the Power
Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 22
No®Repair the Liftgate Latch Cinch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
22 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Release Driver circuit between the
Power Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 23
No®Repair the Liftgate Latch Release Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
23 If there are no possible causes remaining, view repair. All
Repair
Replace the Liftgate Cinch Release Motor.
Perform BODY VERIFICATION TEST - VER 1.
807
POWER DOORS - LIFTGATE
INCOMPLETE POWER OPEN - LATCH FAILURE ÐContinued
TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Power Liftgate Control Module C1 connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Latch Cinch Driver circuit.
Wiggle the harness and check for an intermittent shorted condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Latch Cinch Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Ground circuit and the Liftgate Latch Cinch
Driver circuit.
Wiggle the harness and check for an intermittent shorted condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Latch Cinch Driver circuit for a short to the
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Gear Engage Driver circuit.
Wiggle the harness and check for an intermittent short to ground condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Gear Engage Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Measure the resistance between ground and the Liftgate Open Driver circuit.
Wiggle the harness and check for an intermittent short circuit condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Open Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 8
812
POWER DOORS - LIFTGATE
INCOMPLETE POWER OPEN - OVERCURRENT ÐContinued
TEST ACTION APPLICABILITY
8 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Ground circuit and the Liftgate Gear Engage
Driver circuit.
Wiggle the harness and check for an intermittent short to ground condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Gear Engage Driver circuit for a short to the
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 9
9 Ensure all connections to the module and liftgate motor are connected at this time.
Operate the Power Liftgate in both directions if possible.
Does the motor start to lift the liftgate but is very slow and labors extensively?All
Ye s®Replace the Power Liftgate Motor assembly.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Power Liftgate Module
Perform BODY VERIFICATION TEST - VER 1.
813
POWER DOORS - LIFTGATE
INCOMPLETE POWER OPEN - OVERCURRENT ÐContinued
Symptom:
IOD WAKE UP OPEN - PLG
When Monitored and Set Condition:
IOD WAKE UP OPEN - PLG
When Monitored: Anytime the Body Control Module is awake.
Set Condition: If the BCM does not sense a signal circuit from the Liftgate Module this
code will set.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - IOD WAKE UP OPEN
LIFTGATE MODULE WAKE UP SIGNAL WIRE OPEN
LIFTGATE MODULE WAKE UP SIGNAL WIRE SHORT TO GROUND
POWER LIFTGATE MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Wait 10 seconds.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay IOD WAKE UP OPEN?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the BCM C2 connector.
Measure the voltage between the Liftgate Module Wake Up Signal circuit and
ground.
Is the voltage above 10.0 volts?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Disconnect the Body Control Module C2 connector.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance of the Liftgate Module Wake Up Signal circuit between the
BCM C2 connector and the Power Liftgate Module C2 connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Liftgate Module Wake Up Signal wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
815
POWER DOORS - LIFTGATE
Symptom:
OUTSIDE LIFTGATE HANDLE INPUT SHORT
When Monitored and Set Condition:
OUTSIDE LIFTGATE HANDLE INPUT SHORT
When Monitored: Whenever the Body Control Module is awake.
Set Condition: When the BCM senses a voltage of less than 1.0 volts on the Liftgate
Handle Switch Sense circuit for longer than 10 seconds this code will set.
POSSIBLE CAUSES
LIFTGATE HANDLE SWITCH SHORTED
LIFTGATE HANDLE SWITCH SENSE CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE - LIFTGATE HANDLE SWITCH SHORT TO GROUND
TEST ACTION APPLICABILITY
1 Disconnect the License Lamp connector (light bar).
With the DRBIIIt, read DTC's.
Does the DRBIIItdisplay Outside Liftgate Handle Input Short?All
Ye s®Go To 2
No®Replace the Liftgate Handle Switch.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the License Lamp connector.
Disconnect the Body Control Module C2 connector.
Measure the resistance between ground and the Liftgate Handle Switch Sense
circuit.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Handle Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
822
POWER DOORS - LIFTGATE
Symptom:
OUTSIDE LIFTGATE HANDLE INPUT STUCK
When Monitored and Set Condition:
OUTSIDE LIFTGATE HANDLE INPUT STUCK
When Monitored: Whenever the Body Control Module is awake.
Set Condition: When the BCM senses a liftgate handle input on the Liftgate Handle
Switch Sense circuit for longer than 10 seconds this code will set.
POSSIBLE CAUSES
LIFTGATE HANDLE SWITCH STUCK
LIFTGATE HANDLE SWITCH SENSE CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE - LIFTGATE HANDLE SWITCH SHORT TO GROUND
TEST ACTION APPLICABILITY
1 Disconnect the License Lamp connector (light bar).
With the DRBIIIt, erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Wait 10 seconds.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay Outside Liftgate Handle Input Stuck?All
Ye s®Go To 2
No®Replace the Liftgate Handle Switch.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the License Lamp connector.
Disconnect the Body Control Module C2 connector.
Measure the resistance between ground and the Liftgate Handle Switch Sense
circuit.
Is the resistance below 10000.0 ohms?All
Ye s®Repair the Liftgate Handle Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
823
POWER DOORS - LIFTGATE
Symptom:
OVERHEAD LIFTGATE SWITCH INPUT STUCK
When Monitored and Set Condition:
OVERHEAD LIFTGATE SWITCH INPUT STUCK
When Monitored: Whenever the BCM is awake.
Set Condition: When the BCM senses a overhead liftgate switch input for over 10
seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
OVERHEAD LIFTGATE SWITCH SHORTED
LIFTGATE SWITCH MUX WIRE SHORT TO GROUND
BODY CONTROL MODULE - OVERHEAD LIFTGATE SWITCH MUX SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the Liftgate from the Overhead Console Switch.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay OVERHEAD LIFTGATE SWITCH INPUT STUCK?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIIt, erase DTCs.
Disconnect the Overhead Console Switch connector.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Wait 10 seconds.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay OVERHEAD LIFTGATE SWITCH INPUT STUCK?All
No®Replace the Power Sliding Door Button Module.
Perform BODY VERIFICATION TEST - VER 1.
Ye s®Go To 3
3 Disconnect the Body Control Module C2 connector.
Disconnect the Overhead Console Switch connector.
Measure the resistance of the Liftgate Switch Mux circuit to ground.
Is the resistance below 4000.0 ohms?All
Ye s®Repair the Liftgate Switch Mux wire for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
824
POWER DOORS - LIFTGATE