Question about Chamberlain 740CB Wireless Keyless Entry System

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How do you replace the battery? where isist?

Our keyless entry remote is not working. how do you get to the battery? does it have a battery? we cannot open the campartment where we think the battery is

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Slide the bottom part of the keypad down the battery is a 12Volt (a-23)

if it doesn't slide remove the bottom screw.

Posted on Aug 16, 2010

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Posted on Jan 02, 2017

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Is there a way to reset keyless entry for 04 endeavor?


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Nov 01, 2015 | Cars & Trucks

1 Answer

Remote keyless entry doesn't work


try looking for a fuse relay for the remote central locking in the fuse box

Oct 10, 2012 | 2001 Oldsmobile Alero

1 Answer

My keyless entry does not work anymore


Step by Step Solution:
1. Check the battery in your Key Fob/Remote, Replace?
2. If after replacing battery and still does not work then may have lost programming, or bad keyless entry module.
3. May need to take to dealer to have programmed or keyless entry module replaced.

Sep 15, 2010 | 1995 Buick Regal

1 Answer

Changed battery in car and now keyless entry dos not work batteries are good.... remotes will not work


have to reprogram remotes.......see programming remotesi posted is for aps921 and aps901n that remote is the A1BTX

Jul 07, 2010 | Car APS921 Remote Starter - Keyless Entry

1 Answer

Keyless remotes not working


Try reprogramming the remotes. Here are the instructions for the procedure. Hope it helps. Cobra!
Programming NOTE: All keyless entry remote transmitters (15K601) must be programmed at the same time.
NOTE: To program (or reprogram) the keyless entry remote transmitters into the RAP module, perform the following steps:
  1. Make sure that the anti-theft system is not armed or triggered.
  1. Turn the ignition switch (11572) from OFF to RUN eight times within ten seconds, ending in RUN. If the RAP module has successfully entered program mode, it will lock and then unlock all doors.
  1. Within 20 seconds, press any button on a keyless entry remote transmitter, and the doors will lock and then unlock to confirm that each keyless entry remote transmitter has been programmed. Repeat this step for each transmitter.
  1. If the door locks do not respond for any keyless entry remote transmitter, wait several seconds and press the button again. If the door locks still fail to respond, refer to Inspection and Verification.
  1. Turn the ignition switch to the OFF position, or wait up to 20 seconds after step 2, to exit program mode. If a keyless entry remote transmitter has been programmed (or reprogrammed), the RAP module will lock and unlock all doors one last time to confirm.

Jun 06, 2010 | 1998 Ford F150 Regular Cab

1 Answer

How do i program remote keyless entry? I replaced the battery and keyless entry quit working,


You don't normally program a keyless entry, that's done for you by the technicians that install that. If the replaced battery doesn't solve the problem, take the battery and the remote to the techies that installed it.

Mar 27, 2009 | 2003 Chevrolet Monte Carlo

2 Answers

My remote for the keyless entry does not work.


does trunk button work? panic button?
here's 2003 info:


  • The doors do not lock/unlock using the remote transmitter
  • Remote transmitter.
  • Driver door module (DDM).
  • Go To Pinpoint Test G .

SECTION 501-14: Handles, Locks, Latches and Entry Systems 2003 Town Car Workshop Manual
GENERAL PROCEDURES Remote Transmitter Programming
  1. Cycle the ignition from OFF to RUN four times within three seconds. The locks will then lock and unlock, confirming that the program mode has been entered.
  1. NOTE: When the first keyless entry remote transmitter is programmed, all other keyless entry remote transmitters are erased.
    Press any button on the transmitter to be programmed.
  1. If additional keyless entry remote transmitters are to be programmed, repeat Step 2 within 7.5 seconds.
  1. To exit program mode, turn the ignition to START or wait 7.5 seconds.
--------------------------------------------------------------
report back

Mar 22, 2009 | 2004 Lincoln LS

1 Answer

2005 Scion Tc keyless entry not working


You can take the car to the dealer and he can reprogram the remote for you. Or you can buy the programming instructions for $9.95 from here: http://www.keylessride.com/order/programming_post.asp?lbfix=yes&make=Scion&remoteyear=2005&model=tC&frid=76C74C4F

You will need a working key to reprogram your remote.

Dec 18, 2008 | Vehicle Parts & Accessories

1 Answer

Keylees entry and remote controls do not work at the same time


There are two types of technology with this operator (rolling code and non-rolling code). This operator will except one or the other but not both. It is not uncommon for a rolling code (Security+) remote or keyless to lose the "rolling"part of its technology and become a non-rolling code device so it is not compatable with the rolling code technology. You will need to replace the one remote or keyless that is not like the others.

Nov 15, 2008 | Sears Craftsman LiftMaster Chamberlain...

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