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