Page 1332 of 1575

BCM or sliding door control module
critical fault codesCheck for diagnostic trouble codes
Failure of latch assembly Check wire connections and for blown fuse
Check for foreign matter preventing the
operation of latch assembly
Failure of motor assembly Test motor assembly
Binding or sticking of components Establish location of binding and replace
necessary components
Wiring problems (system or vehicle) Troubleshoot using electrical schematics
Refer to wiring diagrams
Power loss during Sliding
Door operation Wiring problems (system or vehicle)
Troubleshoot using electrical schematics
Refer to wiring diagrams
Battery voltage at PSDM is too low
<9.5V to start operation and
<8.0V to continue operation Check for proper voltage at the PSDM.
Charge battery
Failure of Power Sliding Door or Body
Control Module Check for diagnostic trouble codes
Failure of motor assembly Test motor assembly
Sliding Door does not close
to primary latch position Door mis - alignment Check latch and striker alignment
Check rollers and track alignment
Binding or sticking of components Establish location of binding and adjust or
replace necessary components
Failure of Power Sliding Door or Body
Control Module Check for diagnostic trouble codes
Sliding Door seal force too high Inspect seals for damage, mis - assembly,
foreign matter or other possible obstruction
Failure of motor assembly Test motor assembly
Latch will not release from
primary position Not in Park or false indication
Check switch status with SCAN tool
Battery voltage at PSDM is too low Check for proper voltage at the PSDM
Charge battery
Blown fuse Check fuse and replace if required
Failure of latch assembly Check switch status with scan tool
Check for foreign matter or damaged
components preventing the operation of latch
assembly
Troubleshoot using body diagnostic manual.
Replace latch assembly, if necessary
Failure of outside or inside handle
connection Check handle connections on brainplate.
Failure of Power Sliding Door or Body
Control Module Check for diagnostic trouble codes.
Binding or sticking of components Establish location of binding and adjust or
replace necessary components
Key fob or overhead
console switch does not
power operate sliding door Blown Fuse
Check fuse and replace
Battery voltage at PSDM is too low Check for proper voltage at the PSDM.
Charge battery
Refer to wiring diagrams
Page 1333 of 1575

Wiring problems (system or vehicle)Refer to wiring diagrams
Check for diagnostic trouble codes.
Does Not Power Unlatch
Failure of latch assembly Check for foreign matter preventing the
operation of latch assembly
Check for diagnostic trouble codes.
Check Detent switch.
Troubleshoot using body diagnostic manual
Failure of Latch Release Actuator Check actuator and replace if necessary
Wiring problems (system or vehicle) Refer to wiring diagrams
Check for diagnostic trouble codes.
Failure of Body Control Module (BCM) Troubleshoot using body diagnostic manual
Replace BCM if necessary
Failure of key fob Reprogram key fob
Replace key fob if necessary
Failure of Power Sliding Door Module Check for diagnostic trouble codes.
See Body Diagnostic Manual for detailed
procedures
Failure of sliding door motor assembly Check for foreign matter preventing the
operation of motor assembly
Check wire connections
Drive Unit clutch does not engage.
Replace Drive Unit.
Troubleshoot using Body Diagnostic Manual
Replace motor if necessary
Sliding Door does not stay
open Hold Open Latch not working Check if sliding door powers open to hold
open latch
Check if H- O - L is working
High inside/outside opening
effort Bound cables Check for smooth manual operation
Check for broken attachments
Drive unit jammed or did not disengage Troubleshoot using Body Diagnostic Manual
Replace components, if necessary
Binding or sticking of components Establish location of binding and replace
necessary components
Sliding Door continues to
power close Failure of latch assembly Check wire connections and Detent switch
Check for foreign matter
Troubleshoot using Body Diagnostic Manual
Control Module Check for diagnostic trouble codes
Wiring problems (system or vehicle) Troubleshoot using electrical schematics
Refer to wiring diagrams
Sliding Door continues to
power open Failure of PSDM Check for diagnostic trouble codes
See Body Diagnostic Manual for detailed
procedures
Wiring problems (system or vehicle) Troubleshoot using electrical schematics
Refer to Wiring Diagrams
Sliding Door opens very
slowly Battery voltage at PSDM is too low
Check for proper voltage at the PSDM
Charge battery
Page 1373 of 1575

No power latching in
primary and/or secondary
positionsReplace latch assembly, if necessary
Binding or sticking of components Establish location of binding and replace
necessary components
Failure of Power Tailgate or Body
Control Module Check for diagnostic trouble codes with scan
tool
Tail Gate seal force too high Inspect seals for damage, mis - assembly,
foreign matter or other possible obstruction
Failure of motor assembly Test motor assembly
Latch will not release from
primary position Not in Park or false indication
Check switch status with SCAN tool
Battery voltage at PTGM is too low Check for proper voltage at the PTGM
Charge battery
Blown fuse Check fuse and replace if required
Failure of latch assembly Check switch status with scan tool
Check for foreign matter or damaged
components preventing the operation of latch
assembly
Troubleshoot using body diagnostic manual.
Replace latch assembly, if necessary
Failure of outside handle connection Check handle of brainplate.
Failure of Power Tailgate or Body
Control Module Check for diagnostic trouble codes and cycle
with scan tool
Binding or sticking of components Establish location of binding and replace
necessary components
Key fob or overhead
console switch does not
power operate tailgate Blown Fuse
Check fuse and replace
Battery voltage at PTGM is too low Check for proper voltage at the PTGM
Charge battery
Does Not Power Unlatch Failure of latch assembly Check for foreign matter preventing the
operation of latch assembly
Check for diagnostic trouble codes and cycle
with scan tool
Check pawl and/or ratchet switch with SCAN
tool
Troubleshoot using body diagnostic manual
Does Not Power Unlatch Failure of Power Tailgate Module
Troubleshoot using body diagnostic manual
Failure of Body Control Module (BCM) Troubleshoot using body diagnostic manual
Replace BCM if necessary
Failure of RAM Replace RAM if necessary
Failure of key fob Reprogram key fob
Replace key fob if necessary
Failure of Power Tailgate Module Check for diagnostic trouble codes with scan
tool, see
Body Diagnostic Manual for detailed
procedures
Check for foreign matter preventing the
operation of motor assembly
Check wire connections