You might need to change the battery in the key fob.
Pontiac grand prix door locks not working.
I bought a 2008 grand prix 110k odometer for my grandson and i m in the process of clearing up minor mechanical issues.
I would also run an ohm check across the switch contacts too.
Fuse is good and 12v power registers on a voltmeter at the actuator.
I have a 2006 pontiac grand prix gxp.
The key fob will unlock both the doors and the trunk as it should.
It s a 3 volt cr2032 button cell.
I noticed that some of the doors would lock unlock some.
They won t unlock with either the remote key unlock button or the unlock button on the doors.
This is also true for the trunk.
2004 grand prix the key when inserted into the door lock does not turn to unlock the door.
Dorian answered 6 years ago.
Both drivers side door lock actuators will not lock or unlock electronically.
Pontiac grand prix power door locks are not working inspection at your home or office.
You need to pry the two haves of the fob apart to get to the battery.
Greatautohelp com shows you a common problem and easy repair on 1997 2003 chevy oldsmobile and pontiac minivans where the power locks dont work right.
2008 pontiac grand prix i have a 2008 pontiac grand prix and no key fob.
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Daykd90 answered 6 years ago.
They operate manually properly and can be operated with the key.
I replaced the driver door actuator with a new unit.
The manual door locks sometimes work and sometimes don t on either or both sides of the car.
Also check the connections on the driver side motor which means disassembling the drive side door and check the voltage and ohms at the window motor too.
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