Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener

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Keyless entry keypad doesn't work

I have replaced the battery. Still doesn't work. Has the wiring anything to do with the keypad. Is it possible that someone has disengaged the keypad?

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No idea what you are talking about. is it a wireless or hard-wired keypad? Did you recode it if wireless. give more info.

Posted on Jan 26, 2009

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2003 crown vic keyfob only works with ignition in run position .keyless entry and door locks work fine.even tried new keyfob.no change


The keyless entry system consists of the following components:
  • driver door module (DDM)
  • keyless entry transmitter
  • keyless entry keypad
The driver door module (DDM) receives inputs from the digital transmission range (TR) sensor, ignition switch, brake switch, window/door lock switches, lighting control module (LCM), keyless entry keypad switch and remote transmitter. The DDM outputs consists of keyless entry keypad switch illumination, power door lock actuators, luggage compartment release solenoid, horn relay, and lighting control module (LCM).
  • Battery junction box (BJB) fuses:
    • circuit breaker 7 (20A)
  • Central junction box (CJB)
    • 4 (10A)
    • 6 (15A)
    • 8 (25A)
    • 13 (5A)
  • Keyless entry keypad switch
  • Power door lock actuator
  • Luggage compartment release switch
  • Luggage compartment release solenoid
  • Connectors or connections
  • Wiring harness
  • If fuse's good have checked for DTC'S - diagnostic trouble codes .
  • B1526 Keyless Entry Circuit Short to Ground DDM Go To Pinpoint Test E . B1553 Decklid Release Circuit Short to Battery DDM Go To Pinpoint Test B . B1751 Park/Neutral Switch Circuit Short to Battery DDM Go To Pinpoint Test K . B2425 Remote Keyless Entry Out of Synchronization DDM Go To Pinpoint Test L Need a professional grade scan tool to check fro these codes . Not a code reader for OBD2 codes .
  • The doors do not lock/unlock using the remote transmitter
  • Remote transmitter not programmed.
  • Remote transmitter.
  • DDM.
  • Go To Pinpoint Test F .

Did you program the new key fob ?

Remote Transmitter Programming NOTE: All remote transmitters are programmable and must be set at the same time.
  1. Turn the key from OFF to RUN four times within three seconds, ending in RUN. The locks will then lock and unlock, confirming program mode has been entered.
  1. Press any button on each remote transmitter to be programmed. The doors will lock and unlock to confirm that each remote transmitter has been programmed.
  1. If additonal remote transmitters are to be programmed, repeat Step 3 within 7.5 seconds or steps 2 and 3 if more than 7.5 seconds have elapsed.
  1. To exit program mode, turn the ignition to START or wait 7.5 seconds.
  1. NOTE: Failure to wait at least 20 seconds will cause programming failures. Wait at least 20 seconds after turning the key to OFF or after the last remote transmitter has been programmed to activate a remote transmitter for testing or verification

Feb 19, 2017 | Cars & Trucks

1 Answer

How do I reset keyless door entry that is in lock out mode


Viper Keyless Entry Systems

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Viper is the industry leader in keyless entry systems. Add the convenience of keylessentry to virtually any vehicle - even vehicles without power door locks!

Alarms, Remote Car Starters, Keyless Entry & Locks - JC ...

www.jcwhitney.com > Audio, Video & Electronics
20 out of 32 products in Alarms, Remote Car Starters, Keyless Entry & Locks ..... ofKeyless Entry & Car Alarms allow you to lock and unlock power door locks.
How to program your keyless entry keypad - Ford Ownerhttps://owner.ford.com/.../locks.../how-to-program...Ford Motor CompanyDiscover how to lock and unlock your doors and how to program memory settings that will adjust seats & mirrors for each driver.SecuriCode™ Keyless Entry Keypad - Ford Ownerowner.ford.com/.../locks.../securicode-keyless-entr...Ford Motor CompanyLearn how to set a 5 digit SecuriCode on the Ford keyless entry keypad. ... Sign out. Register/Sign In · Your Vehicle. Service & Maintenance. Service & .... vehicle's SecuriCode keypad to lock and unlock your doors without having to use a key. ... Thekeypad will go into an anti-scan mode if you enter the wrong code seven ...How Programming Your Keyless Entry Can Make ... - Ford Life

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My keypad stopped working. Is there a battery for this?


if your keypad is factory installed there is no battery . if after market yes has battery. if factory, be sure no keys are in car, when you press in a code number does the pad light up ,if yes its getting power then it is probably the keypad needs to be replaced ,if not lighting up its not getting power, check fuses and wiring connections

Dec 23, 2014 | 2005 Ford Escape Limited

1 Answer

Lift-master 1280 Keyless entry pad not working.


Is it possible the wiring to it backed out of the connections on the opener? Might check there first to see if it became disconnected. If the wiring looks good then I would take the wiring off of the back of the keypad and touch them together to simulate a switch. If the door reacts then the keypad is bad.

Nov 24, 2012 | Cars & Trucks

1 Answer

Cannot get keyless entry to work. Bought new keyp...


That keypad should work with your opener. I suspect the keypad is bad if you have other remotes that work. If not it could be the logic board.

May 21, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Can't reprogram/operate keyless entry pad for Craftsman Model 139.53661SRT3 garage door opener.


If the following instructions don't work and you have a good battery the keypad has failed.

Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to your keypad and key in your 4 digit code and press enter.

Apr 07, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The Chamberlain wireless keyless entry model 940CD doesn't work. I changed the 9 volt battery, but it doesn't light up or do anything when I enter the password. It's like it's totally dead. I've had it for...


make sure it is the right keyless entry. For starters, Make sure your antenna hanging off the operator is "purple" color. If it is grey, you have the wrong keyless entry. The keyless you have is for the 315 frequency. If your antenna from the operator is grey, you need to get another keyless entry based on the frequency.

Oct 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Keyless Entry Problem


First try changing the battery in thh keypad 9V. if that dos not work just moving the wire coming from your opener towards your keypad. DONT CUT THE WIRE OR ADD TO IT. That should take care of it

Feb 10, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

1993 ford explorer


the keyless entry pad may be an add on from the dealer which was just stuck on therefore comtains a battery need to remove the door panel and check for wires from pad

Sep 14, 2008 | 1993 Ford Explorer Limited

1 Answer

Sears Wireless keypad will close door but will not open


If you are sure the battery is good than it sound like the keypad is bad and needs to be replaced. With a 6+ year old operator I would suggest a wired keyless entry (Donino GD-1) so if the operator has to be replaced you can use the same keyless entry.

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