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DDM replacement

  #1  
Old 12-24-2018, 08:41 AM
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Default DDM replacement

Hello,
I am looking for information regarding faulty Driver Door Module (DDM), and subsequent replacement/reprogramming.
When I bought the car, the fob worked perfectly. Then one day it just stopped working. New batteries, still not working. Tried programming a new fob with no result. My mechanic said it was like the car isnít seeing the new fob when he tries to reprogram it.
Key still operates ignition as it should, operates global windows/sunroof and single/global door lock(s) when used in driver door.
Suspect fault in DDM, and would like to replace the module in hopes of restoring proper operation of fob. Would also like to program second fob, and will get the key cut to match once I can program the fob. (I only have one working key/fob and a valet key buried in the aftermarket remote starter)
Can anyone direct me to any info regarding this job, I would sincerely appreciate it.

Thanks!
 
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Old 12-24-2018, 08:52 AM
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Might it be chafed/broken wiring / bad connector? Sounds more likely.
 
  #3  
Old 12-24-2018, 09:30 AM
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If that is more likely, I will do a thorough inspection before ordering any parts. It would be nice if a little jiggle fixed the problem lol

Thanks!
 
  #4  
Old 12-24-2018, 03:21 PM
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What kind of scanner are you (or your mechanic) using? Most scanners can only read OBD mandated codes for engine control and emissions. They typically canít read Jaguar specific codes for other systems, such as security, etc.

Iíd imagine if the DDM is acting up, some diagnostic codes would have been set. It doesnít seem as if the DDM has totally failed, as some functions are still working. Even if it had failed, other modules would report the lack of communication.

Before gambling on a new DDM, it might be worth making sure youíve got all relevant fault codes. No personal experience, but Iíve heard good things about the iCarsoft i930:

Land Rover & Jaguar iCarsoft i930 Multi System Diagnostic Tool - SRS, ABS, Engine etc


 
  #5  
Old 12-24-2018, 04:15 PM
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Read codes for sure...I have a ddm issue also
codes are rolling key fob out of sync and an scp com failure and no global functions at all
My ddm has a broken pin also... programming is done via sdd ids which I will do once my new(used)ddm arrives...or a dealer of course or Indie shop can do with sdd...anyway if you dyi you need to verify your ddm part number so you can get the same one...if you choose to buy used...
 
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Old 12-24-2018, 05:10 PM
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Have a look here at post 10,
and make sure your fob is still running on the correct MHz .

https://www.jaguarforums.com/forum/s...bility-130256/
 
  #7  
Old 12-24-2018, 07:30 PM
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If you still have your old remote try opening it up, and with the circuit board in place press down firmly on the black IC chip and at the same time press either the lock or unlock buttons near the car.

Sometimes the solder joints fracture causing the remote to fail.
 
  #8  
Old 01-09-2019, 07:48 PM
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If you are still having the fob problem here was my fix.....I thought my ddm was bad....got a used one and no go....I researched the ddm and would have to get a new one...the fobs I was programming were new eBay, Chinese knock offs...I decided to get 2 oem jaguar used fobs on eBay....40 delivered...they programmed beautifully....long story short...my ddm was fine....it did not have a broken pin after all, just made with a stub on purpose....went to the dealer and they had a new one and let me look at it..... fobs were faulty... wouldn't hold the rolling code....way cheaper than a ddm I did not need...no way to test a fob except for mhz frequency...
 

Last edited by scottjh9; 01-10-2019 at 10:50 AM.
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