Page 854 of 4284

Symptom:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES OPEN
When Monitored and Set Condition:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES OPEN
When Monitored: Whenever the BCM is awake.
Set Condition: When the BCM senses a overhead liftgate switch input that is greater
than 4.8 volts for over 10 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
SLIDING DOORS OVERHEAD SWITCH MUX CIRCUIT SHORT TO VOLTAGE
LIFTGATE SWITCH MUX WIRE OPEN
BODY CONTROL MODULE - OVERHEAD SWITCH OPEN
OVERHEAD SWITCH OPEN
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 power sliding door from the Overhead Console Switch.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay OVERHEAD LIFTGATE/LOCKOUT SWITCHES 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 Body Control Module C3 connector.
Measure the voltage of the Sliding Doors Overhead Switch Mux circuit to ground.
Is there any voltage present?All
Ye s®Repair the Sliding Doors Overhead Switch Mux circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Disconnect the Body Control Module C2 connector.
Measure the resistance between ground and the Liftgate Switch Mux circuit.
Is the resistance below 25000.0 ohms?All
Ye s®Go To 4
No®Go To 5
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
825
POWER DOORS - LIFTGATE
Page 856 of 4284

Symptom:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES SHORT
When Monitored and Set Condition:
OVERHEAD LIFTGATE/LOCKOUT SWITCHES SHORT
When Monitored: Whenever the BCM is awake.
Set Condition: When the BCM senses a overhead liftgate switch input that drops to below
0.24 volts 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 SWITCH #1 SHORT?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 SWITCH #1 SHORT?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 500.0 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.
827
POWER DOORS - LIFTGATE
Page 857 of 4284

Symptom:
PINCH SENSOR CIRCUIT OPEN
When Monitored and Set Condition:
PINCH SENSOR CIRCUIT OPEN
When Monitored: Whenever the Power Liftgate is operating.
Set Condition: The power liftgate module has detected the pinch sensor circuit voltage is
above 4.6 volts.
POSSIBLE CAUSES
DTC PRESENT
POWER LIFTGATE MODULE - PINCH SENSOR OPEN
RIGHT PINCH SENSOR SIGNAL WIRE OPEN
PINCH SENSOR GROUND OPEN
RIGHT PINCH SENSOR OPEN
LEFT PINCH SENSOR OPEN
RIGHT PINCH SENSOR SIGNAL WIRE OPEN
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 several times.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay PINCH SENSOR CIRCUIT 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 Power Liftgate Module C2 connector.
Measure the resistance of the Pinch Sensor Signal circuit between the Pinch Sensor
Signal and the Ground circuit (cavity 20) in the C2 connector.
Is the resistance below 22000.0 ohms?All
No®Go To 3
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
828
POWER DOORS - LIFTGATE
Page 860 of 4284

Symptom:
PINCH SENSOR SIGNAL CIRCUIT SHORT TO GROUND
When Monitored and Set Condition:
PINCH SENSOR SIGNAL CIRCUIT SHORT TO GROUND
When Monitored: Whenever the Power Liftgate is operating.
Set Condition: The power liftgate module has detected the pinch sensor circuit voltage is
shorted to ground.
POSSIBLE CAUSES
DTC PRESENT
PINCH SENSOR SIGNAL CIRCUIT SHORT TO GROUND CIRCUIT
POWER LIFTGATE MODULE - SHORT TO GROUND
RIGHT PINCH SENSOR - SHORT TO GROUND
RIGHT PINCH SENSOR SIGNAL WIRE - SHORT TO GROUND
LEFT PINCH SENSOR - SHORT TO GROUND
RIGHT PINCH SENSOR SIGNAL WIRE SHORT TO GROUND
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 several times.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay PINCH SENSOR CIRCUIT SHORT TO GROUND?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 Power Liftgate Module C2 connector.
Measure the resistance of the Pinch Sensor Signal circuit between the Pinch Sensor
Signal and the Ground circuits in the C2 connector.
Is the resistance below 20.0 ohms?All
Ye s®Repair the Pinch Sensor Signal circuit for a short to the Ground
circuit.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Pinch Sensor Signal circuit.
Is the resistance below 100.0 ohms?All
Ye s®Go To 4
No®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
831
POWER DOORS - LIFTGATE
Page 863 of 4284
Symptom:
AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN
When Monitored and Set Condition:
AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN
When Monitored: Anytime the Power Sliding Door Module is awake.
Set Condition: If the Power Sliding Door Modules internal thermistor becomes open, this
code will set.
POSSIBLE CAUSES
DTC PRESENT
POWER SLIDING DOOR 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.
Operate the power sliding door several times from stop to stop if possible.
With the DRBIIIt, read ACTIVE DTCs.
Does the DRBIIItdisplay AMBIENT TEMPERATURE SENSOR CIRCUIT HIGH?All
Ye s®Replace the Power Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
No®No problem found at this time.
Perform BODY VERIFICATION TEST - VER 1.
834
POWER DOORS - SLIDING
Page 864 of 4284
Symptom:
AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT TO GROUND
When Monitored and Set Condition:
AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT TO GROUND
When Monitored: Anytime the Power Sliding Door Module is awake.
Set Condition: If the Power Sliding Door Modules internal thermistor is shorted, this
code will set.
POSSIBLE CAUSES
DTC PRESENT
POWER SLIDING DOOR 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.
Operate the power sliding door several times from stop to stop if possible.
With the DRBIIIt, read ACTIVE DTCs.
Does the DRBIIItdisplay AMBIENT TEMPERATURE SENSOR CIRCUIT LOW?All
Ye s®Replace the Power Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
No®No problem found at this time.
Perform BODY VERIFICATION TEST - VER 1.
835
POWER DOORS - SLIDING
Page 866 of 4284

Symptom:
INCOMPLETE LATCH CINCH - NO CURRENT
When Monitored and Set Condition:
INCOMPLETE LATCH CINCH - NO CURRENT
When Monitored: Whenever the power sliding door in operating in the closing direction.
Set Condition: The cinch operation was not completed in 4 seconds and the current did
not build up to stall level. This code is set only during the cinching operation after a 4
second time out.
POSSIBLE CAUSES
DTC PRESENT
BINDING DOOR
CINCH/RELEASE MOTOR CLUTCH DRIVER WIRE OPEN
CINCH/RELEASE MOTOR LATCH DRIVER WIRE OPEN
CINCH/RELEASE MOTOR UNLATCH DRIVER WIRE OPEN
LATCH ASSEMBLY
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 power sliding door several times if possible.
With the DRBIIIt, read ACTIVE DTCs.
Does the DRBIIItdisplay INCOMPLETE LATCH CINCH - NO CURRENT?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition. Operate the
door several times and check for any binding or other obstruc-
tions.
Perform BODY VERIFICATION TEST - VER 1.
2 Examine the door for proper fit and alignment, loose/ hard or torn seals, worn teeth
on the rack and gear (lower drive unit) or anything that would cause an obstruction
to proper operation.
Manually operate the other sliding door or of a known good vehicle and notice the
effort needed to open and close.
Compare the effort needed on the disabled door.
Does it take more effort to operate the door than it should?All
Ye s®Refer to Service information for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
837
POWER DOORS - SLIDING
Page 867 of 4284

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Sliding Door Control Module C2 connector.
Disconnect the Cinch/Release Motor connector.
Measure the resistance of the Cinch/Release Motor Latch Driver circuit between the
Sliding Door Control Module C2 connector and the 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 4
No®Repair the Cinch/Release Motor Latch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Sliding Door Control Module C1 connector.
Disconnect the Cinch/Release Motor connector.
Measure the resistance of the Cinch/Release Motor Clutch Driver circuit between the
Sliding Door Control Module C1 connector and the 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 5
No®Repair the Cinch/Release Motor Clutch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Sliding Door Control Module C2 connector.
Disconnect the Cinch/Release Motor connector.
Measure the resistance between of the Cinch/Release Motor Unlatch Driver circuit
from the PSD C2 connector to the 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 6
No®Repair the Cinch/Release Motor Unlatch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Latch Assembly.
Perform BODY VERIFICATION TEST - VER 1.
838
POWER DOORS - SLIDING
INCOMPLETE LATCH CINCH - NO CURRENT ÐContinued